23907283920 has 640 divisors, whose sum is σ = 91569139200. Its totient is φ = 5697257472.

The previous prime is 23907283909. The next prime is 23907283927. The reversal of 23907283920 is 2938270932.

23907283920 is a `hidden beast` number, since 239 + 0 + 7 + 28 + 392 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23907283927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 219332826 + ... + 219332934.

It is an arithmetic number, because the mean of its divisors is an integer number (143076780).

Almost surely, 2^23907283920 is an apocalyptic number.

23907283920 is a gapful number since it is divisible by the number (20) 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 23907283920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45784569600).

23907283920 is an abundant number, since it is smaller than the sum of its proper divisors (67661855280).

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

23907283920 is a wasteful number, since it uses less digits than its factorization.

23907283920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324 (or 312 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The spelling of 23907283920 in words is "twenty-three billion, nine hundred seven million, two hundred eighty-three thousand, nine hundred twenty".