23908...34151 (24-digits)

This number is a prime.

                                                  2390 8108613559 5395734151

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The smallest prime p of the form a^b + b^c + c^d + d^e + e^f + f^g + h where a, b, c, d, e, f, g, h are 8 consecutive primes {3, 5, 7, 11, 13, 17, 19, 23} containing four twin prime pairs {3, 5}, {5, 7}, {11, 13}, {17, 19}. Curiously, sod(p) is also prime. [Bajpai]