23328655 has 12 divisors (see below), whose sum is σ = 32565240. Its totient is φ = 15996624.

The previous prime is 23328653. The next prime is 23328689. The reversal of 23328655 is 55682332.

It is a happy number.

It is not a de Polignac number, because 23328655 - 2¹ = 23328653 is a prime.

It is a super-2 number, since 2×23328655² = 1088452288218050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23328655.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23328653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47365 + ... + 47854.

It is an arithmetic number, because the mean of its divisors is an integer number (2713770).

Almost surely, 2^23328655 is an apocalyptic number.

23328655 is a deficient number, since it is larger than the sum of its proper divisors (9236585).

23328655 is an equidigital number, since it uses as much as digits as its factorization.

23328655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95238 (or 95231 counting only the distinct ones).

The product of its digits is 43200, while the sum is 34.

The square root of 23328655 is about 4829.9746376146. The cubic root of 23328655 is about 285.7348635774.

The spelling of 23328655 in words is "twenty-three million, three hundred twenty-eight thousand, six hundred fifty-five".