232

This number is a composite.

+ The only number of the form p^q(p+q^q), where q=p+1 and p and q are both primes. [Hunter]

+ 232^(2*3*2)+2+3+2 is prime. This is the largest three-digit non-zero number with this property. There are only two such numbers, the other being 187. [Opao]

(There is one curio for this number that has not yet been approved by an editor.)

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