23222...22223 (27-digits)

This number is a prime.

2322222 2222222222 2222222223

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The only pseudo-palindromic prime-digit prime less than a googol. It contains 23 2's between two 23's. [Loungrides]

Submitted: 2017-04-05 08:33:58; Last Modified: 2020-06-18 03:10:02.