23459879 has 2 divisors, whose sum is σ = 23459880. Its totient is φ = 23459878.

The previous prime is 23459861. The next prime is 23459903. The reversal of 23459879 is 97895432.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23459879 - 2²⁰ = 22411303 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23459809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11729939 + 11729940.

It is an arithmetic number, because the mean of its divisors is an integer number (11729940).

Almost surely, 2^23459879 is an apocalyptic number.

23459879 is a deficient number, since it is larger than the sum of its proper divisors (1).

23459879 is an equidigital number, since it uses as much as digits as its factorization.

23459879 is an evil number, because the sum of its binary digits is even.

The product of its digits is 544320, while the sum is 47.

The square root of 23459879 is about 4843.5399244767. The cubic root of 23459879 is about 286.2696163213.

The spelling of 23459879 in words is "twenty-three million, four hundred fifty-nine thousand, eight hundred seventy-nine".