23130331231 has 16 divisors (see below), whose sum is σ = 26754407680. Its totient is φ = 19586914560.

The previous prime is 23130331181. The next prime is 23130331243. The reversal of 23130331231 is 13213303132.

It is a cyclic number.

It is not a de Polignac number, because 23130331231 - 2²¹ = 23128234079 is a prime.

It is a super-2 number, since 2×23130331231² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23130334231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 357880 + ... + 417538.

It is an arithmetic number, because the mean of its divisors is an integer number (1672150480).

Almost surely, 2^23130331231 is an apocalyptic number.

23130331231 is a deficient number, since it is larger than the sum of its proper divisors (3624076449).

23130331231 is an equidigital number, since it uses as much as digits as its factorization.

23130331231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60334.

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

Adding to 23130331231 its reverse (13213303132), we get a palindrome (36343634363).

The spelling of 23130331231 in words is "twenty-three billion, one hundred thirty million, three hundred thirty-one thousand, two hundred thirty-one".