123231132032100 has 72 divisors (see below), whose sum is σ = 358238546661408. Its totient is φ = 32705892844800.

The previous prime is 123231132032087. The next prime is 123231132032147. The reversal of 123231132032100 is 1230231132321.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 973326369 + ... + 973452968.

Almost surely, 2^{123231132032100} is an apocalyptic number.

123231132032100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123231132032100 is an abundant number, since it is smaller than the sum of its proper divisors (235007414629308).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123231132032100 is a wasteful number, since it uses less digits than its factorization.

123231132032100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1946779565 (or 1946779558 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 123231132032100 its reverse (1230231132321), we get a palindrome (124461363164421).

The spelling of 123231132032100 in words is "one hundred twenty-three trillion, two hundred thirty-one billion, one hundred thirty-two million, thirty-two thousand, one hundred".