123320231231100 has 36 divisors (see below), whose sum is σ = 356806535696184. Its totient is φ = 32885394994880.

The previous prime is 123320231231077. The next prime is 123320231231111. The reversal of 123320231231100 is 1132132023321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 205533718419 + ... + 205533719018.

Almost surely, 2^{123320231231100} is an apocalyptic number.

123320231231100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123320231231100 is an abundant number, since it is smaller than the sum of its proper divisors (233486304465084).

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

123320231231100 is a wasteful number, since it uses less digits than its factorization.

123320231231100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411067437454 (or 411067437447 counting only the distinct ones).

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

Adding to 123320231231100 its reverse (1132132023321), we get a palindrome (124452363254421).

The spelling of 123320231231100 in words is "one hundred twenty-three trillion, three hundred twenty billion, two hundred thirty-one million, two hundred thirty-one thousand, one hundred".