56433664723 has 2 divisors, whose sum is σ = 56433664724. Its totient is φ = 56433664722.

The previous prime is 56433664711. The next prime is 56433664741. The reversal of 56433664723 is 32746633465.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56433664723 is a prime.

It is a super-4 number, since 4×56433664723⁴ (a number of 44 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (56433664753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28216832361 + 28216832362.

It is an arithmetic number, because the mean of its divisors is an integer number (28216832362).

Almost surely, 2^56433664723 is an apocalyptic number.

56433664723 is a deficient number, since it is larger than the sum of its proper divisors (1).

56433664723 is an equidigital number, since it uses as much as digits as its factorization.

56433664723 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6531840, while the sum is 49.

The spelling of 56433664723 in words is "fifty-six billion, four hundred thirty-three million, six hundred sixty-four thousand, seven hundred twenty-three".