23022518120 has 128 divisors (see below), whose sum is σ = 63106560000. Its totient is φ = 7383197952.

The previous prime is 23022518111. The next prime is 23022518137. The reversal of 23022518120 is 2181522032.

It is a self number, because there is not a number n which added to its sum of digits gives 23022518120.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 392891 + ... + 447669.

It is an arithmetic number, because the mean of its divisors is an integer number (493020000).

Almost surely, 2^23022518120 is an apocalyptic number.

23022518120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23022518120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31553280000).

23022518120 is an abundant number, since it is smaller than the sum of its proper divisors (40084041880).

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

23022518120 is a wasteful number, since it uses less digits than its factorization.

23022518120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54895 (or 54891 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The spelling of 23022518120 in words is "twenty-three billion, twenty-two million, five hundred eighteen thousand, one hundred twenty".