23979896064 has 108 divisors (see below), whose sum is σ = 69555079776. Its totient is φ = 7945307136.

The previous prime is 23979896047. The next prime is 23979896077. The reversal of 23979896064 is 46069897932.

It is a junction number, because it is equal to n+sod(n) for n = 23979895992 and 23979896010.

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, 353607 + ... + 415929.

Almost surely, 2^23979896064 is an apocalyptic number.

23979896064 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23979896064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34777539888).

23979896064 is an abundant number, since it is smaller than the sum of its proper divisors (45575183712).

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

23979896064 is a wasteful number, since it uses less digits than its factorization.

23979896064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62512 (or 62495 counting only the distinct ones).

The product of its (nonzero) digits is 35271936, while the sum is 63.

The spelling of 23979896064 in words is "twenty-three billion, nine hundred seventy-nine million, eight hundred ninety-six thousand, sixty-four".