23152778404 has 36 divisors (see below), whose sum is σ = 46948871424. Its totient is φ = 9786629952.

The previous prime is 23152778393. The next prime is 23152778413. The reversal of 23152778404 is 40487725132.

It is a super-2 number, since 2×23152778404² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71629 + ... + 226795.

Almost surely, 2^23152778404 is an apocalyptic number.

It is an amenable number.

23152778404 is an abundant number, since it is smaller than the sum of its proper divisors (23796093020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23152778404 is a wasteful number, since it uses less digits than its factorization.

23152778404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155324 (or 155249 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 43.

The spelling of 23152778404 in words is "twenty-three billion, one hundred fifty-two million, seven hundred seventy-eight thousand, four hundred four".