23407871 has 4 divisors (see below), whose sum is σ = 23419200. Its totient is φ = 23396544.

The previous prime is 23407847. The next prime is 23407873. The reversal of 23407871 is 17870432.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 23407871 - 2⁶ = 23407807 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 (23407873) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1586 + ... + 7023.

It is an arithmetic number, because the mean of its divisors is an integer number (5854800).

Almost surely, 2^23407871 is an apocalyptic number.

23407871 is a deficient number, since it is larger than the sum of its proper divisors (11329).

23407871 is an equidigital number, since it uses as much as digits as its factorization.

23407871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11328.

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 23407871 is about 4838.1681450731. The cubic root of 23407871 is about 286.0579169387.

The spelling of 23407871 in words is "twenty-three million, four hundred seven thousand, eight hundred seventy-one".