23046728 has 16 divisors (see below), whose sum is σ = 43699500. Its totient is φ = 11393536.

The previous prime is 23046719. The next prime is 23046731. The reversal of 23046728 is 82764032.

It can be written as a sum of positive squares in 2 ways, for example, as 18645124 + 4401604 = 4318^2 + 2098^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23046694 and 23046703.

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, 15473 + ... + 16896.

Almost surely, 2^23046728 is an apocalyptic number.

It is an amenable number.

23046728 is a deficient number, since it is larger than the sum of its proper divisors (20652772).

23046728 is a wasteful number, since it uses less digits than its factorization.

23046728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32464 (or 32460 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 23046728 is about 4800.7007821775. The cubic root of 23046728 is about 284.5791593235.

The spelling of 23046728 in words is "twenty-three million, forty-six thousand, seven hundred twenty-eight".