636056023 has 2 divisors, whose sum is σ = 636056024. Its totient is φ = 636056022.

The previous prime is 636056017. The next prime is 636056107. The reversal of 636056023 is 320650636.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 636056023 - 2²⁵ = 602501591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (636051023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 318028011 + 318028012.

It is an arithmetic number, because the mean of its divisors is an integer number (318028012).

Almost surely, 2^636056023 is an apocalyptic number.

636056023 is a deficient number, since it is larger than the sum of its proper divisors (1).

636056023 is an equidigital number, since it uses as much as digits as its factorization.

636056023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 31.

The square root of 636056023 is about 25220.1511296027. The cubic root of 636056023 is about 860.0000103660. Note that the first 4 decimals are identical.

The spelling of 636056023 in words is "six hundred thirty-six million, fifty-six thousand, twenty-three".