23959839978396 has 144 divisors (see below), whose sum is σ = 69801601169664. Its totient is φ = 6787995395328.

The previous prime is 23959839978343. The next prime is 23959839978409. The reversal of 23959839978396 is 69387993895932.

23959839978396 is a `hidden beast` number, since 2 + 3 + 9 + 59 + 8 + 399 + 7 + 83 + 96 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 30091711 + ... + 30877673.

It is an arithmetic number, because the mean of its divisors is an integer number (484733341456).

Almost surely, 2^{23959839978396} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23959839978396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34900800584832).

23959839978396 is an abundant number, since it is smaller than the sum of its proper divisors (45841761191268).

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

23959839978396 is a wasteful number, since it uses less digits than its factorization.

23959839978396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 787000 (or 786995 counting only the distinct ones).

The product of its digits is 42855402240, while the sum is 90.

The spelling of 23959839978396 in words is "twenty-three trillion, nine hundred fifty-nine billion, eight hundred thirty-nine million, nine hundred seventy-eight thousand, three hundred ninety-six".