23695531 has 2 divisors, whose sum is σ = 23695532. Its totient is φ = 23695530.

The previous prime is 23695517. The next prime is 23695541. The reversal of 23695531 is 13559632.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23695531 - 2²³ = 15306923 is a prime.

It is a super-2 number, since 2×23695531² = 1122956378743922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23695541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11847765 + 11847766.

It is an arithmetic number, because the mean of its divisors is an integer number (11847766).

Almost surely, 2^23695531 is an apocalyptic number.

23695531 is a deficient number, since it is larger than the sum of its proper divisors (1).

23695531 is an equidigital number, since it uses as much as digits as its factorization.

23695531 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24300, while the sum is 34.

The square root of 23695531 is about 4867.8055630849. The cubic root of 23695531 is about 287.2249407077.

The spelling of 23695531 in words is "twenty-three million, six hundred ninety-five thousand, five hundred thirty-one".