23311400120 has 64 divisors (see below), whose sum is σ = 52719336000. Its totient is φ = 9276899328.

The previous prime is 23311400111. The next prime is 23311400137. The reversal of 23311400120 is 2100411332.

It is a congruent number.

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, 12405341 + ... + 12407219.

It is an arithmetic number, because the mean of its divisors is an integer number (823739625).

Almost surely, 2^23311400120 is an apocalyptic number.

23311400120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23311400120 is an abundant number, since it is smaller than the sum of its proper divisors (29407935880).

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

23311400120 is a wasteful number, since it uses less digits than its factorization.

23311400120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3312 (or 3308 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 23311400120 its reverse (2100411332), we get a palindrome (25411811452).

The spelling of 23311400120 in words is "twenty-three billion, three hundred eleven million, four hundred thousand, one hundred twenty".