23231040331 has 2 divisors, whose sum is σ = 23231040332. Its totient is φ = 23231040330.

The previous prime is 23231040319. The next prime is 23231040337. The reversal of 23231040331 is 13304013232.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23231040331 - 2²³ = 23222651723 is a prime.

It is a super-2 number, since 2×23231040331² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23231040337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11615520165 + 11615520166.

It is an arithmetic number, because the mean of its divisors is an integer number (11615520166).

Almost surely, 2^23231040331 is an apocalyptic number.

23231040331 is a deficient number, since it is larger than the sum of its proper divisors (1).

23231040331 is an equidigital number, since it uses as much as digits as its factorization.

23231040331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 23231040331 its reverse (13304013232), we get a palindrome (36535053563).

The spelling of 23231040331 in words is "twenty-three billion, two hundred thirty-one million, forty thousand, three hundred thirty-one".