23603979996 has 18 divisors (see below), whose sum is σ = 59665616192. Its totient is φ = 7867993320.

The previous prime is 23603979967. The next prime is 23603980031. The reversal of 23603979996 is 69997930632.

23603979996 is a `hidden beast` number, since 236 + 0 + 397 + 9 + 9 + 9 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 327833020 + ... + 327833091.

Almost surely, 2^23603979996 is an apocalyptic number.

It is an amenable number.

23603979996 is an abundant number, since it is smaller than the sum of its proper divisors (36061636196).

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

23603979996 is a wasteful number, since it uses less digits than its factorization.

23603979996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655666121 (or 655666116 counting only the distinct ones).

The product of its (nonzero) digits is 29760696, while the sum is 63.

The spelling of 23603979996 in words is "twenty-three billion, six hundred three million, nine hundred seventy-nine thousand, nine hundred ninety-six".