23986255920 has 240 divisors, whose sum is σ = 82341917280. Its totient is φ = 5771448320.

The previous prime is 23986255907. The next prime is 23986255963. The reversal of 23986255920 is 2955268932.

It is a tau number, because it is divible by the number of its divisors (240).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3975466 + ... + 3981494.

It is an arithmetic number, because the mean of its divisors is an integer number (343091322).

Almost surely, 2^23986255920 is an apocalyptic number.

23986255920 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 23986255920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41170958640).

23986255920 is an abundant number, since it is smaller than the sum of its proper divisors (58355661360).

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

23986255920 is a wasteful number, since it uses less digits than its factorization.

23986255920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6204 (or 6187 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 51.

The spelling of 23986255920 in words is "twenty-three billion, nine hundred eighty-six million, two hundred fifty-five thousand, nine hundred twenty".