23879856 has 240 divisors, whose sum is σ = 85494528. Its totient is φ = 5644800.

The previous prime is 23879851. The next prime is 23879881. The reversal of 23879856 is 65897832.

It is a Harshad number since it is a multiple of its sum of digits (48).

Its product of digits (725760) is a multiple of the sum of its prime factors (120).

It is not an unprimeable number, because it can be changed into a prime (23879851) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 336301 + ... + 336371.

Almost surely, 2^23879856 is an apocalyptic number.

23879856 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 23879856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42747264).

23879856 is an abundant number, since it is smaller than the sum of its proper divisors (61614672).

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

23879856 is a wasteful number, since it uses less digits than its factorization.

23879856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120 (or 107 counting only the distinct ones).

The product of its digits is 725760, while the sum is 48.

The square root of 23879856 is about 4886.7019553069. The cubic root of 23879856 is about 287.9677818898.

The spelling of 23879856 in words is "twenty-three million, eight hundred seventy-nine thousand, eight hundred fifty-six".