56164723 has 2 divisors, whose sum is σ = 56164724. Its totient is φ = 56164722.

The previous prime is 56164721. The next prime is 56164783. The reversal of 56164723 is 32746165.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56164723 - 2¹ = 56164721 is a prime.

It is a super-2 number, since 2×56164723² = 6308952219333458, which contains 22 as substring.

Together with 56164721, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (56164721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28082361 + 28082362.

It is an arithmetic number, because the mean of its divisors is an integer number (28082362).

Almost surely, 2^56164723 is an apocalyptic number.

56164723 is a deficient number, since it is larger than the sum of its proper divisors (1).

56164723 is an equidigital number, since it uses as much as digits as its factorization.

56164723 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30240, while the sum is 34.

The square root of 56164723 is about 7494.3127103157. The cubic root of 56164723 is about 382.9609928756.

The spelling of 56164723 in words is "fifty-six million, one hundred sixty-four thousand, seven hundred twenty-three".