23113121310 has 64 divisors (see below), whose sum is σ = 61656249600. Its totient is φ = 6161373216.

The previous prime is 23113121293. The next prime is 23113121359. The reversal of 23113121310 is 1312131132.

23113121310 is a `hidden beast` number, since 231 + 1 + 3 + 121 + 310 = 666.

It is a super-2 number, since 2×23113121310² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

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, 866797 + ... + 893063.

It is an arithmetic number, because the mean of its divisors is an integer number (963378900).

Almost surely, 2^23113121310 is an apocalyptic number.

23113121310 is an abundant number, since it is smaller than the sum of its proper divisors (38543128290).

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

23113121310 is a wasteful number, since it uses less digits than its factorization.

23113121310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29542 (or 29536 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 23113121310 its reverse (1312131132), we get a palindrome (24425252442).

The spelling of 23113121310 in words is "twenty-three billion, one hundred thirteen million, one hundred twenty-one thousand, three hundred ten".