23803631 has 2 divisors, whose sum is σ = 23803632. Its totient is φ = 23803630.

The previous prime is 23803627. The next prime is 23803649. The reversal of 23803631 is 13630832.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23803631 - 2² = 23803627 is a prime.

It is a super-2 number, since 2×23803631² = 1133225697568322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23803631.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23803601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11901815 + 11901816.

It is an arithmetic number, because the mean of its divisors is an integer number (11901816).

Almost surely, 2^23803631 is an apocalyptic number.

23803631 is a deficient number, since it is larger than the sum of its proper divisors (1).

23803631 is an equidigital number, since it uses as much as digits as its factorization.

23803631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 23803631 is about 4878.8964940855. The cubic root of 23803631 is about 287.6610555706.

The spelling of 23803631 in words is "twenty-three million, eight hundred three thousand, six hundred thirty-one".