23520339856 has 120 divisors (see below), whose sum is σ = 54050915520. Its totient is φ = 9836335872.

The previous prime is 23520339839. The next prime is 23520339877. The reversal of 23520339856 is 65893302532.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1720215 + ... + 1733833.

It is an arithmetic number, because the mean of its divisors is an integer number (450424296).

Almost surely, 2^23520339856 is an apocalyptic number.

23520339856 is a gapful number since it is divisible by the number (26) 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 23520339856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27025457760).

23520339856 is an abundant number, since it is smaller than the sum of its proper divisors (30530575664).

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

23520339856 is a wasteful number, since it uses less digits than its factorization.

23520339856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13701 (or 13676 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 46.

The spelling of 23520339856 in words is "twenty-three billion, five hundred twenty million, three hundred thirty-nine thousand, eight hundred fifty-six".