23947371 has 12 divisors (see below), whose sum is σ = 39532272. Its totient is φ = 13684176.

The previous prime is 23947351. The next prime is 23947379. The reversal of 23947371 is 17374932.

It is not a de Polignac number, because 23947371 - 2⁶ = 23947307 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23947379) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 189996 + ... + 190121.

It is an arithmetic number, because the mean of its divisors is an integer number (3294356).

Almost surely, 2^23947371 is an apocalyptic number.

23947371 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

23947371 is a deficient number, since it is larger than the sum of its proper divisors (15584901).

23947371 is a wasteful number, since it uses less digits than its factorization.

23947371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380130 (or 380127 counting only the distinct ones).

The product of its digits is 31752, while the sum is 36.

The square root of 23947371 is about 4893.6051127977. The cubic root of 23947371 is about 288.2389148862.

The spelling of 23947371 in words is "twenty-three million, nine hundred forty-seven thousand, three hundred seventy-one".