23783728 has 20 divisors (see below), whose sum is σ = 46222488. Its totient is φ = 11855360.

The previous prime is 23783723. The next prime is 23783729. The reversal of 23783728 is 82738732.

It is not an unprimeable number, because it can be changed into a prime (23783723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3543 + ... + 7753.

Almost surely, 2^23783728 is an apocalyptic number.

It is an amenable number.

23783728 is a deficient number, since it is larger than the sum of its proper divisors (22438760).

23783728 is a wasteful number, since it uses less digits than its factorization.

23783728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4572 (or 4566 counting only the distinct ones).

The product of its digits is 112896, while the sum is 40.

The square root of 23783728 is about 4876.8563645037. The cubic root of 23783728 is about 287.5808589199.

The spelling of 23783728 in words is "twenty-three million, seven hundred eighty-three thousand, seven hundred twenty-eight".