23983872 has 144 divisors (see below), whose sum is σ = 74172672. Its totient is φ = 6799360.

The previous prime is 23983867. The next prime is 23983901. The reversal of 23983872 is 27838932.

It is a super-2 number, since 2×23983872² = 1150452232224768, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 143533 + ... + 143699.

It is an arithmetic number, because the mean of its divisors is an integer number (515088).

Almost surely, 2^23983872 is an apocalyptic number.

23983872 is a gapful number since it is divisible by the number (22) 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 23983872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37086336).

23983872 is an abundant number, since it is smaller than the sum of its proper divisors (50188800).

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

23983872 is a wasteful number, since it uses less digits than its factorization.

23983872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214 (or 200 counting only the distinct ones).

The product of its digits is 145152, while the sum is 42.

The square root of 23983872 is about 4897.3331518287. Note that the first 3 decimals coincide. The cubic root of 23983872 is about 288.3852868021.

The spelling of 23983872 in words is "twenty-three million, nine hundred eighty-three thousand, eight hundred seventy-two".