23974496568 has 192 divisors, whose sum is σ = 78262329600. Its totient is φ = 6540272640.

The previous prime is 23974496561. The next prime is 23974496587. The reversal of 23974496568 is 86569447932.

23974496568 is a `hidden beast` number, since 2 + 3 + 97 + 4 + 496 + 56 + 8 = 666.

It is a Cunningham number, because it is equal to 154837²-1.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23974496561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 270963 + ... + 348381.

It is an arithmetic number, because the mean of its divisors is an integer number (407616300).

Almost surely, 2^23974496568 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 23974496568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39131164800).

23974496568 is an abundant number, since it is smaller than the sum of its proper divisors (54287833032).

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

23974496568 is a wasteful number, since it uses less digits than its factorization.

23974496568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77482 (or 77475 counting only the distinct ones).

The product of its digits is 78382080, while the sum is 63.

The spelling of 23974496568 in words is "twenty-three billion, nine hundred seventy-four million, four hundred ninety-six thousand, five hundred sixty-eight".