23423873 has 4 divisors (see below), whose sum is σ = 25553328. Its totient is φ = 21294420.

The previous prime is 23423861. The next prime is 23423893. The reversal of 23423873 is 37832432.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23423873 - 2⁶ = 23423809 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23423893) 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, 1064711 + ... + 1064732.

It is an arithmetic number, because the mean of its divisors is an integer number (6388332).

Almost surely, 2^23423873 is an apocalyptic number.

It is an amenable number.

23423873 is a deficient number, since it is larger than the sum of its proper divisors (2129455).

23423873 is a wasteful number, since it uses less digits than its factorization.

23423873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2129454.

The product of its digits is 24192, while the sum is 32.

The square root of 23423873 is about 4839.8215876208. The cubic root of 23423873 is about 286.1230867000.

The spelling of 23423873 in words is "twenty-three million, four hundred twenty-three thousand, eight hundred seventy-three".