23315025102 has 32 divisors (see below), whose sum is σ = 47523428352. Its totient is φ = 7622862624.

The previous prime is 23315025031. The next prime is 23315025157. The reversal of 23315025102 is 20152051332.

It is a happy number.

It is a super-2 number, since 2×23315025102² (a number of 22 digits) contains 22 as substring.

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, 1405903 + ... + 1422389.

It is an arithmetic number, because the mean of its divisors is an integer number (1485107136).

Almost surely, 2^23315025102 is an apocalyptic number.

23315025102 is an abundant number, since it is smaller than the sum of its proper divisors (24208403250).

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

23315025102 is a wasteful number, since it uses less digits than its factorization.

23315025102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20992.

The product of its (nonzero) digits is 1800, while the sum is 24.

Adding to 23315025102 its reverse (20152051332), we get a palindrome (43467076434).

The spelling of 23315025102 in words is "twenty-three billion, three hundred fifteen million, twenty-five thousand, one hundred two".