10235...23629 (49-digits)

This number is a prime.

                       102358110 2358610235 9510236111 0236191023 6231023629

The smallest emirp that is the concatenation of n consecutive n-digit emirpimes, i.e., {1023581, 1023586, 1023595, 1023611, 1023619, 1023623, 1023629}, (case n=7). [Bajpai]