23552728 has 16 divisors (see below), whose sum is σ = 44460000. Its totient is φ = 11696736.

The previous prime is 23552717. The next prime is 23552731. The reversal of 23552728 is 82725532.

It is a junction number, because it is equal to n+sod(n) for n = 23552693 and 23552702.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8688 + ... + 11071.

It is an arithmetic number, because the mean of its divisors is an integer number (2778750).

Almost surely, 2^23552728 is an apocalyptic number.

It is an amenable number.

23552728 is a deficient number, since it is larger than the sum of its proper divisors (20907272).

23552728 is a wasteful number, since it uses less digits than its factorization.

23552728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19914 (or 19910 counting only the distinct ones).

The product of its digits is 33600, while the sum is 34.

The square root of 23552728 is about 4853.1152881422. The cubic root of 23552728 is about 286.6467830689.

The spelling of 23552728 in words is "twenty-three million, five hundred fifty-two thousand, seven hundred twenty-eight".