23724056 has 16 divisors (see below), whose sum is σ = 45019800. Its totient is φ = 11718784.

The previous prime is 23724053. The next prime is 23724073. The reversal of 23724056 is 65042732.

It is a super-2 number, since 2×23724056² = 1125661666182272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23724053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17201 + ... + 18528.

Almost surely, 2^23724056 is an apocalyptic number.

It is an amenable number.

23724056 is a deficient number, since it is larger than the sum of its proper divisors (21295744).

23724056 is a wasteful number, since it uses less digits than its factorization.

23724056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35818 (or 35814 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 23724056 is about 4870.7346468474. The cubic root of 23724056 is about 287.3401495767.

Adding to 23724056 its reverse (65042732), we get a palindrome (88766788).

The spelling of 23724056 in words is "twenty-three million, seven hundred twenty-four thousand, fifty-six".