23312302431132 has 96 divisors (see below), whose sum is σ = 63922253713920. Its totient is φ = 6519168564480.

The previous prime is 23312302431127. The next prime is 23312302431157. The reversal of 23312302431132 is 23113420321332.

It is a self number, because there is not a number n which added to its sum of digits gives 23312302431132.

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, 4555338 + ... + 8208270.

It is an arithmetic number, because the mean of its divisors is an integer number (665856809520).

Almost surely, 2^{23312302431132} is an apocalyptic number.

23312302431132 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 23312302431132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31961126856960).

23312302431132 is an abundant number, since it is smaller than the sum of its proper divisors (40609951282788).

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

23312302431132 is a wasteful number, since it uses less digits than its factorization.

23312302431132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3656683 (or 3656681 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 30.

Adding to 23312302431132 its reverse (23113420321332), we get a palindrome (46425722752464).

The spelling of 23312302431132 in words is "twenty-three trillion, three hundred twelve billion, three hundred two million, four hundred thirty-one thousand, one hundred thirty-two".