23159393762 has 6 divisors (see below), whose sum is σ = 34739413473. Its totient is φ = 11579589272.

The previous prime is 23159393689. The next prime is 23159393813. The reversal of 23159393762 is 26739395132.

It can be written as a sum of positive squares in 2 ways, for example, as 12285283921 + 10874109841 = 110839^2 + 104279^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=107609.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23159393762.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 161414 + ... + 269022.

Almost surely, 2^23159393762 is an apocalyptic number.

23159393762 is a deficient number, since it is larger than the sum of its proper divisors (11580019711).

23159393762 is an frugal number, since it uses more digits than its factorization.

23159393762 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215220 (or 107611 counting only the distinct ones).

The product of its digits is 1837080, while the sum is 50.

Multiplying 23159393762 by its sum of digits (50), we get a square (1157969688100 = 1076090²).

The spelling of 23159393762 in words is "twenty-three billion, one hundred fifty-nine million, three hundred ninety-three thousand, seven hundred sixty-two".