23867742828 has 24 divisors (see below), whose sum is σ = 57487897600. Its totient is φ = 7699271760.

The previous prime is 23867742751. The next prime is 23867742881. The reversal of 23867742828 is 82824776832.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32079928 + ... + 32080671.

Almost surely, 2^23867742828 is an apocalyptic number.

It is an amenable number.

23867742828 is an abundant number, since it is smaller than the sum of its proper divisors (33620154772).

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

23867742828 is a wasteful number, since it uses less digits than its factorization.

23867742828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64160637 (or 64160635 counting only the distinct ones).

The product of its digits is 14450688, while the sum is 57.

The spelling of 23867742828 in words is "twenty-three billion, eight hundred sixty-seven million, seven hundred forty-two thousand, eight hundred twenty-eight".