23813956 has 6 divisors (see below), whose sum is σ = 41674430. Its totient is φ = 11906976.

The previous prime is 23813953. The next prime is 23813963. The reversal of 23813956 is 65931832.

It can be written as a sum of positive squares in only one way, i.e., 21808900 + 2005056 = 4670^2 + 1416^2 .

It is not an unprimeable number, because it can be changed into a prime (23813953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2976741 + ... + 2976748.

Almost surely, 2^23813956 is an apocalyptic number.

It is an amenable number.

23813956 is a deficient number, since it is larger than the sum of its proper divisors (17860474).

23813956 is a wasteful number, since it uses less digits than its factorization.

23813956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5953493 (or 5953491 counting only the distinct ones).

The product of its digits is 38880, while the sum is 37.

The square root of 23813956 is about 4879.9545079847. The cubic root of 23813956 is about 287.7026412579.

The spelling of 23813956 in words is "twenty-three million, eight hundred thirteen thousand, nine hundred fifty-six".