23806656 has 112 divisors (see below), whose sum is σ = 73152000. Its totient is φ = 7577856.

The previous prime is 23806637. The next prime is 23806697. The reversal of 23806656 is 65660832.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 23806656.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39445 + ... + 40043.

Almost surely, 2^23806656 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 23806656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36576000).

23806656 is an abundant number, since it is smaller than the sum of its proper divisors (49345344).

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

23806656 is a wasteful number, since it uses less digits than its factorization.

23806656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643 (or 627 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 23806656 is about 4879.2064928634. The cubic root of 23806656 is about 287.6732405160.

The spelling of 23806656 in words is "twenty-three million, eight hundred six thousand, six hundred fifty-six".