There are 159 inscriptions. One of the inscriptions states that there was a theatre for enacting Dramas ( Natakasala ) and the artist received 1 veli (approximately 3 acre) as a gift for developing the art. Aryakoothu and Chakkaikoothu were enacted during festivals. Mud pots were used to bring water from Cauvery for Thirumanjanam ( abhiseka ). The temple was a centre for fostering fine arts.

It is a Mahalinga sthala (Big Linga shrine) and also one of the Jothilinga sthala.

• There is a popular saying which states, ‘Thiruvidaimarudur Theralagu' (the streets of Thiruvidaimarudur are very broad and beautiful).
• If there is no rain in the country an oblation is performed to Lord Chokkanatha and hymns in Mega raga Kurunji recited, clouds burst and rain follows.
• Aanda vinayaka is the sthalavinayaka of the temple.
• There is a special measure called ‘ Thiruvidaimaruduran ' to measure paddy etc.
• There are no Dwarapalakas to this temple.
• There is a big stucco Nandi adjacent to Kodimaram.
• Kattunda Kannan , a vaishnavite deity that was worshipped by Kasipa (a Rishi) is found under the sthalavrutsha even today in the Pranava Prakara.
• There is an endowment named Picchai Kattali estabalished by Adhitya Picchai .
• The temple has a very good collection of books and many of them are published.
• This is the Kshetra noted for the amelioration and complete relief from Brahmahathi dosha, Chandra dosha and Natchatra dosha.
• Sridhara Ayyaval of Thiruvisainallur, the great exponent of Jnana Bhakti, way of Philosophical mysticism, was a great devotee of Sri Mahalingeswaraswamy.