23555456 has 32 divisors (see below), whose sum is σ = 47256600. Its totient is φ = 11695104.

The previous prime is 23555449. The next prime is 23555501. The reversal of 23555456 is 65455532.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20300 + ... + 21428.

Almost surely, 2^23555456 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 23555456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23628300).

23555456 is an abundant number, since it is smaller than the sum of its proper divisors (23701144).

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

23555456 is a wasteful number, since it uses less digits than its factorization.

23555456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1306 (or 1294 counting only the distinct ones).

The product of its digits is 90000, while the sum is 35.

The square root of 23555456 is about 4853.3963365874. The cubic root of 23555456 is about 286.6578496176.

The spelling of 23555456 in words is "twenty-three million, five hundred fifty-five thousand, four hundred fifty-six".