23442879 has 4 divisors (see below), whose sum is σ = 31257176. Its totient is φ = 15628584.

The previous prime is 23442877. The next prime is 23442889. The reversal of 23442879 is 97824432.

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

It is not a de Polignac number, because 23442879 - 2¹ = 23442877 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 (23442877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3907144 + ... + 3907149.

It is an arithmetic number, because the mean of its divisors is an integer number (7814294).

Almost surely, 2^23442879 is an apocalyptic number.

23442879 is a deficient number, since it is larger than the sum of its proper divisors (7814297).

23442879 is an equidigital number, since it uses as much as digits as its factorization.

23442879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7814296.

The product of its digits is 96768, while the sum is 39.

The square root of 23442879 is about 4841.7846916194. The cubic root of 23442879 is about 286.2004520052.

The spelling of 23442879 in words is "twenty-three million, four hundred forty-two thousand, eight hundred seventy-nine".