23406971 has 4 divisors (see below), whose sum is σ = 26750832. Its totient is φ = 20063112.

The previous prime is 23406961. The next prime is 23406983. The reversal of 23406971 is 17960432.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23406971 - 2⁶ = 23406907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23406931) 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, 1671920 + ... + 1671933.

It is an arithmetic number, because the mean of its divisors is an integer number (6687708).

Almost surely, 2^23406971 is an apocalyptic number.

23406971 is a deficient number, since it is larger than the sum of its proper divisors (3343861).

23406971 is an equidigital number, since it uses as much as digits as its factorization.

23406971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3343860.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 23406971 is about 4838.0751337696. The cubic root of 23406971 is about 286.0542507157.

The spelling of 23406971 in words is "twenty-three million, four hundred six thousand, nine hundred seventy-one".