23280925920 has 96 divisors (see below), whose sum is σ = 83811345408. Its totient is φ = 5321353728.

The previous prime is 23280925919. The next prime is 23280925937. The reversal of 23280925920 is 2952908232.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 3461064 + ... + 3467783.

It is an arithmetic number, because the mean of its divisors is an integer number (873034848).

Almost surely, 2^23280925920 is an apocalyptic number.

23280925920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23280925920 is an abundant number, since it is smaller than the sum of its proper divisors (60530419488).

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

23280925920 is a wasteful number, since it uses less digits than its factorization.

23280925920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6928872 (or 6928864 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 42.

The spelling of 23280925920 in words is "twenty-three billion, two hundred eighty million, nine hundred twenty-five thousand, nine hundred twenty".