23102031132 has 18 divisors (see below), whose sum is σ = 58396801008. Its totient is φ = 7700677032.

The previous prime is 23102031109. The next prime is 23102031133. The reversal of 23102031132 is 23113020132.

It is a tau number, because it is divible by the number of its divisors (18).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23102031133) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 320861508 + ... + 320861579.

Almost surely, 2^23102031132 is an apocalyptic number.

It is an amenable number.

23102031132 is an abundant number, since it is smaller than the sum of its proper divisors (35294769876).

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

23102031132 is a wasteful number, since it uses less digits than its factorization.

23102031132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641723097 (or 641723092 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 23102031132 its reverse (23113020132), we get a palindrome (46215051264).

The spelling of 23102031132 in words is "twenty-three billion, one hundred two million, thirty-one thousand, one hundred thirty-two".