23957947 has 24 divisors (see below), whose sum is σ = 28460160. Its totient is φ = 20067840.

The previous prime is 23957939. The next prime is 23957951. The reversal of 23957947 is 74975932.

It is not a de Polignac number, because 23957947 - 2³ = 23957939 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23957897 and 23957906.

It is not an unprimeable number, because it can be changed into a prime (23957957) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 88929 + ... + 89197.

It is an arithmetic number, because the mean of its divisors is an integer number (1185840).

Almost surely, 2^23957947 is an apocalyptic number.

23957947 is a deficient number, since it is larger than the sum of its proper divisors (4502213).

23957947 is a wasteful number, since it uses less digits than its factorization.

23957947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343 (or 330 counting only the distinct ones).

The product of its digits is 476280, while the sum is 46.

The square root of 23957947 is about 4894.6855874509. The cubic root of 23957947 is about 288.2813407836.

The spelling of 23957947 in words is "twenty-three million, nine hundred fifty-seven thousand, nine hundred forty-seven".