23989594840 has 16 divisors (see below), whose sum is σ = 53976588480. Its totient is φ = 9595837920.

The previous prime is 23989594831. The next prime is 23989594879. The reversal of 23989594840 is 4849598932.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 299869896 + ... + 299869975.

It is an arithmetic number, because the mean of its divisors is an integer number (3373536780).

Almost surely, 2^23989594840 is an apocalyptic number.

23989594840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23989594840 is an abundant number, since it is smaller than the sum of its proper divisors (29986993640).

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

23989594840 is a wasteful number, since it uses less digits than its factorization.

23989594840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599739882 (or 599739878 counting only the distinct ones).

The product of its (nonzero) digits is 22394880, while the sum is 61.

The spelling of 23989594840 in words is "twenty-three billion, nine hundred eighty-nine million, five hundred ninety-four thousand, eight hundred forty".