20044457745723 has 24 divisors (see below), whose sum is σ = 29320385003520. Its totient is φ = 13193467326000.

The previous prime is 20044457745713. The next prime is 20044457745737. The reversal of 20044457745723 is 32754775444002.

20044457745723 is a `hidden beast` number, since 2 + 0 + 0 + 4 + 4 + 4 + 577 + 45 + 7 + 23 = 666.

It is not a de Polignac number, because 20044457745723 - 2⁶ = 20044457745659 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20044457745723.

It is not an unprimeable number, because it can be changed into a prime (20044457745713) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27686598 + ... + 28401348.

It is an arithmetic number, because the mean of its divisors is an integer number (1221682708480).

Almost surely, 2^{20044457745723} is an apocalyptic number.

20044457745723 is a deficient number, since it is larger than the sum of its proper divisors (9275927257797).

20044457745723 is a wasteful number, since it uses less digits than its factorization.

20044457745723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 754279 (or 754276 counting only the distinct ones).

The product of its (nonzero) digits is 26342400, while the sum is 54.

It can be divided in two parts, 200444577 and 45723, that added together give a triangular number (200490300 = T₂₀₀₂₄).

The spelling of 20044457745723 in words is "twenty trillion, forty-four billion, four hundred fifty-seven million, seven hundred forty-five thousand, seven hundred twenty-three".