23744801573 has 2 divisors, whose sum is σ = 23744801574. Its totient is φ = 23744801572.

The previous prime is 23744801551. The next prime is 23744801621. The reversal of 23744801573 is 37510844732.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19499888164 + 4244913409 = 139642^2 + 65153^2 .

It is a cyclic number.

It is not a de Polignac number, because 23744801573 - 2¹⁴ = 23744785189 is a prime.

It is a super-2 number, since 2×23744801573² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23744801533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11872400786 + 11872400787.

It is an arithmetic number, because the mean of its divisors is an integer number (11872400787).

Almost surely, 2^23744801573 is an apocalyptic number.

It is an amenable number.

23744801573 is a deficient number, since it is larger than the sum of its proper divisors (1).

23744801573 is an equidigital number, since it uses as much as digits as its factorization.

23744801573 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 564480, while the sum is 44.

The spelling of 23744801573 in words is "twenty-three billion, seven hundred forty-four million, eight hundred one thousand, five hundred seventy-three".