23553328 has 10 divisors (see below), whose sum is σ = 45634604. Its totient is φ = 11776656.

The previous prime is 23553317. The next prime is 23553329. The reversal of 23553328 is 82335532.

It is a self number, because there is not a number n which added to its sum of digits gives 23553328.

It is not an unprimeable number, because it can be changed into a prime (23553329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 736026 + ... + 736057.

Almost surely, 2^23553328 is an apocalyptic number.

It is an amenable number.

23553328 is a deficient number, since it is larger than the sum of its proper divisors (22081276).

23553328 is a wasteful number, since it uses less digits than its factorization.

23553328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1472091 (or 1472085 counting only the distinct ones).

The product of its digits is 21600, while the sum is 31.

The square root of 23553328 is about 4853.1771037126. The cubic root of 23553328 is about 286.6492171339.

The spelling of 23553328 in words is "twenty-three million, five hundred fifty-three thousand, three hundred twenty-eight".