23249873522 has 18 divisors (see below), whose sum is σ = 35175925197. Its totient is φ = 11525419824.

The previous prime is 23249873513. The next prime is 23249873539. The reversal of 23249873522 is 22537894232.

It can be written as a sum of positive squares in 2 ways, for example, as 23070875881 + 178997641 = 151891^2 + 13379^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=107819.

It is a Duffinian number.

It is an unprimeable number.

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 in 8 ways as a sum of consecutive naturals, for example, 29542013 + ... + 29542799.

Almost surely, 2^23249873522 is an apocalyptic number.

23249873522 is a deficient number, since it is larger than the sum of its proper divisors (11926051675).

23249873522 is an frugal number, since it uses more digits than its factorization.

23249873522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1850 (or 926 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 47.

The spelling of 23249873522 in words is "twenty-three billion, two hundred forty-nine million, eight hundred seventy-three thousand, five hundred twenty-two".