10234567898789876543201

This number is a prime.

102 3456789878 9876543201

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The largest palindromic prime formed by inserting a 3-digit palindrome number, (878), in between the smallest pandigital number, 1023456789, and its reversal. [Loungrides]

Submitted: 2014-09-21 17:01:40; Last Modified: 2020-05-30 14:30:28.