23431097 has 2 divisors, whose sum is σ = 23431098. Its totient is φ = 23431096.

The previous prime is 23431073. The next prime is 23431103. The reversal of 23431097 is 79013432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16613776 + 6817321 = 4076^2 + 2611^2 .

It is a cyclic number.

It is not a de Polignac number, because 23431097 - 2²² = 19236793 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23931097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11715548 + 11715549.

It is an arithmetic number, because the mean of its divisors is an integer number (11715549).

Almost surely, 2^23431097 is an apocalyptic number.

It is an amenable number.

23431097 is a deficient number, since it is larger than the sum of its proper divisors (1).

23431097 is an equidigital number, since it uses as much as digits as its factorization.

23431097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 23431097 is about 4840.5678385908. The cubic root of 23431097 is about 286.1524974459.

The spelling of 23431097 in words is "twenty-three million, four hundred thirty-one thousand, ninety-seven".