23712733 has 6 divisors (see below), whose sum is σ = 26064542. Its totient is φ = 21556920.

The previous prime is 23712709. The next prime is 23712743. The reversal of 23712733 is 33721732.

It can be written as a sum of positive squares in only one way, i.e., 17749369 + 5963364 = 4213^2 + 2442^2 .

It is a de Polignac number, because none of the positive numbers 2^k-23712733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23712743) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 97866 + ... + 98107.

Almost surely, 2^23712733 is an apocalyptic number.

It is an amenable number.

23712733 is a deficient number, since it is larger than the sum of its proper divisors (2351809).

23712733 is a wasteful number, since it uses less digits than its factorization.

23712733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195995 (or 195984 counting only the distinct ones).

The product of its digits is 5292, while the sum is 28.

The square root of 23712733 is about 4869.5721577978. The cubic root of 23712733 is about 287.2944284703.

The spelling of 23712733 in words is "twenty-three million, seven hundred twelve thousand, seven hundred thirty-three".