23551072 has 24 divisors (see below), whose sum is σ = 47863872. Its totient is φ = 11395200.

The previous prime is 23551067. The next prime is 23551081. The reversal of 23551072 is 27015532.

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, 10879 + ... + 12862.

It is an arithmetic number, because the mean of its divisors is an integer number (1994328).

Almost surely, 2^23551072 is an apocalyptic number.

It is an amenable number.

23551072 is an abundant number, since it is smaller than the sum of its proper divisors (24312800).

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

23551072 is a wasteful number, since it uses less digits than its factorization.

23551072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23782 (or 23774 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 23551072 is about 4852.9446730825. The cubic root of 23551072 is about 286.6400648352.

The spelling of 23551072 in words is "twenty-three million, five hundred fifty-one thousand, seventy-two".