123531112345102 has 64 divisors (see below), whose sum is σ = 234375231310848. Its totient is φ = 47430427968000.

The previous prime is 123531112345063. The next prime is 123531112345183. The reversal of 123531112345102 is 201543211135321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22608102 + ... + 27535222.

It is an arithmetic number, because the mean of its divisors is an integer number (3662112989232).

Almost surely, 2^{123531112345102} is an apocalyptic number.

123531112345102 is a deficient number, since it is larger than the sum of its proper divisors (110844118965746).

123531112345102 is a wasteful number, since it uses less digits than its factorization.

123531112345102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4929505.

The product of its (nonzero) digits is 21600, while the sum is 34.

The spelling of 123531112345102 in words is "one hundred twenty-three trillion, five hundred thirty-one billion, one hundred twelve million, three hundred forty-five thousand, one hundred two".