23313013231 has 2 divisors, whose sum is σ = 23313013232. Its totient is φ = 23313013230.

The previous prime is 23313013219. The next prime is 23313013237. The reversal of 23313013231 is 13231031332.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23313013231 - 2⁷ = 23313013103 is a prime.

It is a super-2 number, since 2×23313013231² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23313013237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11656506615 + 11656506616.

It is an arithmetic number, because the mean of its divisors is an integer number (11656506616).

Almost surely, 2^23313013231 is an apocalyptic number.

23313013231 is a deficient number, since it is larger than the sum of its proper divisors (1).

23313013231 is an equidigital number, since it uses as much as digits as its factorization.

23313013231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 23313013231 its reverse (13231031332), we get a palindrome (36544044563).

The spelling of 23313013231 in words is "twenty-three billion, three hundred thirteen million, thirteen thousand, two hundred thirty-one".