285

This number is a composite.

285 of the 295 primes less than 100000 which are congruent to 23 (mod 120) are full period primes. [Yates]

The smallest number whose sum of distinct prime factors is an odd prime to the power of an odd prime: 285 = 3 * 5 * 19 and 3 + 5 + 19 = 27 = 3^3. [Post]