123331310031394 has 32 divisors (see below), whose sum is σ = 191454323961600. Its totient is φ = 59514942896640.

The previous prime is 123331310031361. The next prime is 123331310031421. The reversal of 123331310031394 is 493130013133321.

It is a super-2 number, since 2×123331310031394² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2073915649 + ... + 2073975115.

It is an arithmetic number, because the mean of its divisors is an integer number (5982947623800).

Almost surely, 2^{123331310031394} is an apocalyptic number.

123331310031394 is a deficient number, since it is larger than the sum of its proper divisors (68123013930206).

123331310031394 is a wasteful number, since it uses less digits than its factorization.

123331310031394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73498.

The product of its (nonzero) digits is 52488, while the sum is 37.

The spelling of 123331310031394 in words is "one hundred twenty-three trillion, three hundred thirty-one billion, three hundred ten million, thirty-one thousand, three hundred ninety-four".