23113431132 has 144 divisors (see below), whose sum is σ = 63383314176. Its totient is φ = 6527347200.

The previous prime is 23113431091. The next prime is 23113431137.

23113431132 is nontrivially palindromic in base 10.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23113431137) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2537907 + ... + 2546997.

It is an arithmetic number, because the mean of its divisors is an integer number (440161904).

Almost surely, 2^23113431132 is an apocalyptic number.

23113431132 is a gapful number since it is divisible by the number (22) 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 23113431132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31691657088).

23113431132 is an abundant number, since it is smaller than the sum of its proper divisors (40269883044).

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

23113431132 is a wasteful number, since it uses less digits than its factorization.

23113431132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9240 (or 9227 counting only the distinct ones).

The product of its digits is 1296, while the sum is 24.

The spelling of 23113431132 in words is "twenty-three billion, one hundred thirteen million, four hundred thirty-one thousand, one hundred thirty-two".