23231023031 has 2 divisors, whose sum is σ = 23231023032. Its totient is φ = 23231023030.

The previous prime is 23231023003. The next prime is 23231023043. The reversal of 23231023031 is 13032013232.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23231023031 - 2⁶ = 23231022967 is a prime.

It is a super-2 number, since 2×23231023031² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 23231022994 and 23231023012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23231023001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11615511515 + 11615511516.

It is an arithmetic number, because the mean of its divisors is an integer number (11615511516).

Almost surely, 2^23231023031 is an apocalyptic number.

23231023031 is a deficient number, since it is larger than the sum of its proper divisors (1).

23231023031 is an equidigital number, since it uses as much as digits as its factorization.

23231023031 is an evil number, because the sum of its binary digits is even.

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

Adding to 23231023031 its reverse (13032013232), we get a palindrome (36263036263).

The spelling of 23231023031 in words is "twenty-three billion, two hundred thirty-one million, twenty-three thousand, thirty-one".