23002331231 has 12 divisors (see below), whose sum is σ = 25335536016. Its totient is φ = 20868217920.

The previous prime is 23002331227. The next prime is 23002331249. The reversal of 23002331231 is 13213320032.

It is not a de Polignac number, because 23002331231 - 2² = 23002331227 is a prime.

It is a super-2 number, since 2×23002331231² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23002331201) 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, 136250 + ... + 254103.

It is an arithmetic number, because the mean of its divisors is an integer number (2111294668).

Almost surely, 2^23002331231 is an apocalyptic number.

23002331231 is a deficient number, since it is larger than the sum of its proper divisors (2333204785).

23002331231 is a wasteful number, since it uses less digits than its factorization.

23002331231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390862 (or 390851 counting only the distinct ones).

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

Adding to 23002331231 its reverse (13213320032), we get a palindrome (36215651263).

The spelling of 23002331231 in words is "twenty-three billion, two million, three hundred thirty-one thousand, two hundred thirty-one".