23966597872 has 160 divisors (see below), whose sum is σ = 57262049280. Its totient is φ = 9489934080.

The previous prime is 23966597843. The next prime is 23966597873. The reversal of 23966597872 is 27879566932.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23966597873) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15254847 + ... + 15256417.

It is an arithmetic number, because the mean of its divisors is an integer number (357887808).

Almost surely, 2^23966597872 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 23966597872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28631024640).

23966597872 is an abundant number, since it is smaller than the sum of its proper divisors (33295451408).

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

23966597872 is a wasteful number, since it uses less digits than its factorization.

23966597872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1779 (or 1773 counting only the distinct ones).

The product of its digits is 68584320, while the sum is 64.

The spelling of 23966597872 in words is "twenty-three billion, nine hundred sixty-six million, five hundred ninety-seven thousand, eight hundred seventy-two".