23329928 has 8 divisors (see below), whose sum is σ = 43743630. Its totient is φ = 11664960.

The previous prime is 23329909. The next prime is 23329937. The reversal of 23329928 is 82992332.

It can be written as a sum of positive squares in only one way, i.e., 12974404 + 10355524 = 3602^2 + 3218^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 23329891 and 23329900.

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 as a sum of consecutive naturals, namely, 1458113 + ... + 1458128.

Almost surely, 2^23329928 is an apocalyptic number.

It is an amenable number.

23329928 is a deficient number, since it is larger than the sum of its proper divisors (20413702).

23329928 is a wasteful number, since it uses less digits than its factorization.

23329928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2916247 (or 2916243 counting only the distinct ones).

The product of its digits is 46656, while the sum is 38.

The square root of 23329928 is about 4830.1064170471. The cubic root of 23329928 is about 285.7400608175.

The spelling of 23329928 in words is "twenty-three million, three hundred twenty-nine thousand, nine hundred twenty-eight".