23983856 has 40 divisors (see below), whose sum is σ = 50819664. Its totient is φ = 10897920.

The previous prime is 23983853. The next prime is 23983867. The reversal of 23983856 is 65838932.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23983853) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13076 + ... + 14796.

Almost surely, 2^23983856 is an apocalyptic number.

23983856 is a gapful number since it is divisible by the number (26) 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 23983856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25409832).

23983856 is an abundant number, since it is smaller than the sum of its proper divisors (26835808).

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

23983856 is a wasteful number, since it uses less digits than its factorization.

23983856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1809 (or 1803 counting only the distinct ones).

The product of its digits is 311040, while the sum is 44.

The square root of 23983856 is about 4897.3315182863. The cubic root of 23983856 is about 288.3852226733.

The spelling of 23983856 in words is "twenty-three million, nine hundred eighty-three thousand, eight hundred fifty-six".