23296256 has 72 divisors (see below), whose sum is σ = 50662584. Its totient is φ = 10649600.

The previous prime is 23296249. The next prime is 23296289. The reversal of 23296256 is 65269232.

It can be written as a sum of positive squares in 4 ways, for example, as 15366400 + 7929856 = 3920^2 + 2816^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 230606 + ... + 230706.

It is an arithmetic number, because the mean of its divisors is an integer number (703647).

Almost surely, 2^23296256 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 23296256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25331292).

23296256 is an abundant number, since it is smaller than the sum of its proper divisors (27366328).

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

23296256 is a wasteful number, since it uses less digits than its factorization.

23296256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187 (or 173 counting only the distinct ones).

The product of its digits is 38880, while the sum is 35.

The square root of 23296256 is about 4826.6195209484. The cubic root of 23296256 is about 285.6025254323.

The spelling of 23296256 in words is "twenty-three million, two hundred ninety-six thousand, two hundred fifty-six".