23131123120 has 80 divisors (see below), whose sum is σ = 61484189760. Its totient is φ = 7927898112.

The previous prime is 23131123111. The next prime is 23131123163. The reversal of 23131123120 is 2132113132.

It is a tau number, because it is divible by the number of its divisors (80).

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, 2194984 + ... + 2205496.

It is an arithmetic number, because the mean of its divisors is an integer number (768552372).

Almost surely, 2^23131123120 is an apocalyptic number.

23131123120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23131123120 is an abundant number, since it is smaller than the sum of its proper divisors (38353066640).

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

23131123120 is a wasteful number, since it uses less digits than its factorization.

23131123120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14462 (or 14456 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 23131123120 its reverse (2132113132), we get a palindrome (25263236252).

The spelling of 23131123120 in words is "twenty-three billion, one hundred thirty-one million, one hundred twenty-three thousand, one hundred twenty".