23228856 has 112 divisors (see below), whose sum is σ = 74761200. Its totient is φ = 6625152.

The previous prime is 23228839. The next prime is 23228897. The reversal of 23228856 is 65882232.

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 23228856.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 40540 + ... + 41108.

Almost surely, 2^23228856 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 23228856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37380600).

23228856 is an abundant number, since it is smaller than the sum of its proper divisors (51532344).

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

23228856 is an equidigital number, since it uses as much as digits as its factorization.

23228856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600 (or 581 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 23228856 is about 4819.6323511239. The cubic root of 23228856 is about 285.3268272796.

The spelling of 23228856 in words is "twenty-three million, two hundred twenty-eight thousand, eight hundred fifty-six".