23979496550 has 24 divisors (see below), whose sum is σ = 44716557600. Its totient is φ = 9567133280.

The previous prime is 23979496507. The next prime is 23979496571. The reversal of 23979496550 is 5569497932.

It is a hoax number, since the sum of its digits (59) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 23979496550.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 596990 + ... + 635889.

It is an arithmetic number, because the mean of its divisors is an integer number (1863189900).

Almost surely, 2^23979496550 is an apocalyptic number.

23979496550 is a deficient number, since it is larger than the sum of its proper divisors (20737061050).

23979496550 is a wasteful number, since it uses less digits than its factorization.

23979496550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1233280 (or 1233275 counting only the distinct ones).

The product of its (nonzero) digits is 18370800, while the sum is 59.

The spelling of 23979496550 in words is "twenty-three billion, nine hundred seventy-nine million, four hundred ninety-six thousand, five hundred fifty".