This number is a prime.

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Smallest multidigit palindromic prime whose English name contain prime number of letters (i.e., "Three hundred and thirteen" contain 23 letters). Also 23 is smallest multidigit prime whose English name contain palindromic prime number of letters. [Gupta]

Submitted: 2013-09-10 16:45:51;   Last Modified: 2019-01-30 13:56:24.
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