56165723 has 2 divisors, whose sum is σ = 56165724. Its totient is φ = 56165722.

The previous prime is 56165719. The next prime is 56165749. The reversal of 56165723 is 32756165.

56165723 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56165723 - 2² = 56165719 is a prime.

It is a super-2 number, since 2×56165723² = 6309176880225458, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (56165713) 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, 28082861 + 28082862.

It is an arithmetic number, because the mean of its divisors is an integer number (28082862).

Almost surely, 2^56165723 is an apocalyptic number.

56165723 is a deficient number, since it is larger than the sum of its proper divisors (1).

56165723 is an equidigital number, since it uses as much as digits as its factorization.

56165723 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 37800, while the sum is 35.

The square root of 56165723 is about 7494.3794272775. The cubic root of 56165723 is about 382.9632657063.

The spelling of 56165723 in words is "fifty-six million, one hundred sixty-five thousand, seven hundred twenty-three".