123011320020032 has 56 divisors (see below), whose sum is σ = 244215818375616. Its totient is φ = 61476629349888.

The previous prime is 123011320020019. The next prime is 123011320020097. The reversal of 123011320020032 is 230020023110321.

It is a junction number, because it is equal to n+sod(n) for n = 123011320019986 and 123011320020013.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4030896038 + ... + 4030926554.

Almost surely, 2^{123011320020032} is an apocalyptic number.

It is an amenable number.

123011320020032 is a deficient number, since it is larger than the sum of its proper divisors (121204498355584).

123011320020032 is a wasteful number, since it uses less digits than its factorization.

123011320020032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58195 (or 58185 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 123011320020032 its reverse (230020023110321), we get a palindrome (353031343130353).

The spelling of 123011320020032 in words is "one hundred twenty-three trillion, eleven billion, three hundred twenty million, twenty thousand, thirty-two".