188635265023 has 2 divisors, whose sum is σ = 188635265024. Its totient is φ = 188635265022.

The previous prime is 188635264999. The next prime is 188635265051. The reversal of 188635265023 is 320562536881.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-188635265023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (188635265083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94317632511 + 94317632512.

It is an arithmetic number, because the mean of its divisors is an integer number (94317632512).

Almost surely, 2^188635265023 is an apocalyptic number.

188635265023 is a deficient number, since it is larger than the sum of its proper divisors (1).

188635265023 is an equidigital number, since it uses as much as digits as its factorization.

188635265023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2073600, while the sum is 49.

The spelling of 188635265023 in words is "one hundred eighty-eight billion, six hundred thirty-five million, two hundred sixty-five thousand, twenty-three".