23985856 has 28 divisors (see below), whose sum is σ = 48143160. Its totient is φ = 11855360.

The previous prime is 23985833. The next prime is 23985877. The reversal of 23985856 is 65858932.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3591 + ... + 7801.

Almost surely, 2^23985856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23985856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24071580).

23985856 is an abundant number, since it is smaller than the sum of its proper divisors (24157304).

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

23985856 is an equidigital number, since it uses as much as digits as its factorization.

23985856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4312 (or 4302 counting only the distinct ones).

The product of its digits is 518400, while the sum is 46.

The square root of 23985856 is about 4897.5357068632. The cubic root of 23985856 is about 288.3932385433.

The spelling of 23985856 in words is "twenty-three million, nine hundred eighty-five thousand, eight hundred fifty-six".