23124312120 has 128 divisors (see below), whose sum is σ = 85382115840. Its totient is φ = 4878973440.

The previous prime is 23124312119. The next prime is 23124312137. The reversal of 23124312120 is 2121342132.

It is a super-2 number, since 2×23124312120² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1047886 + ... + 1069725.

It is an arithmetic number, because the mean of its divisors is an integer number (667047780).

Almost surely, 2^23124312120 is an apocalyptic number.

23124312120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23124312120 is an abundant number, since it is smaller than the sum of its proper divisors (62257803720).

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

23124312120 is a wasteful number, since it uses less digits than its factorization.

23124312120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2117645 (or 2117641 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 23124312120 its reverse (2121342132), we get a palindrome (25245654252).

The spelling of 23124312120 in words is "twenty-three billion, one hundred twenty-four million, three hundred twelve thousand, one hundred twenty".