23432657 has 2 divisors, whose sum is σ = 23432658. Its totient is φ = 23432656.

The previous prime is 23432639. The next prime is 23432663. The reversal of 23432657 is 75623432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20349121 + 3083536 = 4511^2 + 1756^2 .

It is a cyclic number.

It is not a de Polignac number, because 23432657 - 2⁸ = 23432401 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23432687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11716328 + 11716329.

It is an arithmetic number, because the mean of its divisors is an integer number (11716329).

Almost surely, 2^23432657 is an apocalyptic number.

It is an amenable number.

23432657 is a deficient number, since it is larger than the sum of its proper divisors (1).

23432657 is an equidigital number, since it uses as much as digits as its factorization.

23432657 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30240, while the sum is 32.

The square root of 23432657 is about 4840.7289740286. The cubic root of 23432657 is about 286.1588478100.

The spelling of 23432657 in words is "twenty-three million, four hundred thirty-two thousand, six hundred fifty-seven".