23632691 has 2 divisors, whose sum is σ = 23632692. Its totient is φ = 23632690.

The previous prime is 23632639. The next prime is 23632699. The reversal of 23632691 is 19623632.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23632691 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23632699) 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, 11816345 + 11816346.

It is an arithmetic number, because the mean of its divisors is an integer number (11816346).

Almost surely, 2^23632691 is an apocalyptic number.

23632691 is a deficient number, since it is larger than the sum of its proper divisors (1).

23632691 is an equidigital number, since it uses as much as digits as its factorization.

23632691 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11664, while the sum is 32.

The square root of 23632691 is about 4861.3466241362. The cubic root of 23632691 is about 286.9708112942.

The spelling of 23632691 in words is "twenty-three million, six hundred thirty-two thousand, six hundred ninety-one".