23789567994 has 16 divisors (see below), whose sum is σ = 50083301280. Its totient is φ = 7512495120.

The previous prime is 23789567903. The next prime is 23789568007. The reversal of 23789567994 is 49976598732.

It is a super-2 number, since 2×23789567994² (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 7 ways as a sum of consecutive naturals, for example, 104340097 + ... + 104340324.

It is an arithmetic number, because the mean of its divisors is an integer number (3130206330).

Almost surely, 2^23789567994 is an apocalyptic number.

23789567994 is an abundant number, since it is smaller than the sum of its proper divisors (26293733286).

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

23789567994 is a wasteful number, since it uses less digits than its factorization.

23789567994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208680445.

The product of its digits is 205752960, while the sum is 69.

The spelling of 23789567994 in words is "twenty-three billion, seven hundred eighty-nine million, five hundred sixty-seven thousand, nine hundred ninety-four".