56236814566723 has 32 divisors (see below), whose sum is σ = 68527107276800. Its totient is φ = 45076466182176.

The previous prime is 56236814566711. The next prime is 56236814566741. The reversal of 56236814566723 is 32766541863265.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56236814566723 is a prime.

It is a super-2 number, since 2×56236814566723² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56236814566763) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40750390 + ... + 42107812.

It is an arithmetic number, because the mean of its divisors is an integer number (2141472102400).

Almost surely, 2^{56236814566723} is an apocalyptic number.

56236814566723 is a deficient number, since it is larger than the sum of its proper divisors (12290292710077).

56236814566723 is a wasteful number, since it uses less digits than its factorization.

56236814566723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1361471.

The product of its digits is 261273600, while the sum is 64.

The spelling of 56236814566723 in words is "fifty-six trillion, two hundred thirty-six billion, eight hundred fourteen million, five hundred sixty-six thousand, seven hundred twenty-three".