23064728 has 8 divisors (see below), whose sum is σ = 43246380. Its totient is φ = 11532360.

The previous prime is 23064721. The next prime is 23064739. The reversal of 23064728 is 82746032.

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 = 23064694 and 23064703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23064721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1441538 + ... + 1441553.

Almost surely, 2^23064728 is an apocalyptic number.

It is an amenable number.

23064728 is a deficient number, since it is larger than the sum of its proper divisors (20181652).

23064728 is a wasteful number, since it uses less digits than its factorization.

23064728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2883097 (or 2883093 counting only the distinct ones).

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

The square root of 23064728 is about 4802.5751425667. The cubic root of 23064728 is about 284.6532275654.

The spelling of 23064728 in words is "twenty-three million, sixty-four thousand, seven hundred twenty-eight".