23320012331 has 12 divisors (see below), whose sum is σ = 29593485720. Its totient is φ = 18171437760.

The previous prime is 23320012319. The next prime is 23320012337. The reversal of 23320012331 is 13321002332.

It is a de Polignac number, because none of the positive numbers 2^k-23320012331 is a prime.

It is a super-2 number, since 2×23320012331² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23320012337) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21632126 + ... + 21633203.

It is an arithmetic number, because the mean of its divisors is an integer number (2466123810).

Almost surely, 2^23320012331 is an apocalyptic number.

23320012331 is a deficient number, since it is larger than the sum of its proper divisors (6273473389).

23320012331 is a wasteful number, since it uses less digits than its factorization.

23320012331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43265354 (or 43265347 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 23320012331 its reverse (13321002332), we get a palindrome (36641014663).

Subtracting from 23320012331 its reverse (13321002332), we obtain a palindrome (9999009999).

It can be divided in two parts, 2332001 and 2331, that added together give a palindrome (2334332).

The spelling of 23320012331 in words is "twenty-three billion, three hundred twenty million, twelve thousand, three hundred thirty-one".