23040928 has 24 divisors (see below), whose sum is σ = 45817380. Its totient is φ = 11404800.

The previous prime is 23040889. The next prime is 23040929. The reversal of 23040928 is 82904032.

It can be written as a sum of positive squares in 2 ways, for example, as 20178064 + 2862864 = 4492^2 + 1692^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23040896 and 23040905.

It is not an unprimeable number, because it can be changed into a prime (23040929) by changing a digit.

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, 333 + ... + 6796.

Almost surely, 2^23040928 is an apocalyptic number.

It is an amenable number.

23040928 is a deficient number, since it is larger than the sum of its proper divisors (22776452).

23040928 is a wasteful number, since it uses less digits than its factorization.

23040928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7240 (or 7232 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 23040928 is about 4800.0966656933. The cubic root of 23040928 is about 284.5552846748. Note that the first 3 decimals are identical.

The spelling of 23040928 in words is "twenty-three million, forty thousand, nine hundred twenty-eight".