56723039 has 2 divisors, whose sum is σ = 56723040. Its totient is φ = 56723038.

The previous prime is 56723021. The next prime is 56723057. The reversal of 56723039 is 93032765.

It is a balanced prime because it is at equal distance from previous prime (56723021) and next prime (56723057).

It is a cyclic number.

It is not a de Polignac number, because 56723039 - 2²⁴ = 39945823 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56723059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28361519 + 28361520.

It is an arithmetic number, because the mean of its divisors is an integer number (28361520).

Almost surely, 2^56723039 is an apocalyptic number.

56723039 is a deficient number, since it is larger than the sum of its proper divisors (1).

56723039 is an equidigital number, since it uses as much as digits as its factorization.

56723039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34020, while the sum is 35.

The square root of 56723039 is about 7531.4699096524. The cubic root of 56723039 is about 384.2257764244.

The spelling of 56723039 in words is "fifty-six million, seven hundred twenty-three thousand, thirty-nine".