23125979 has 2 divisors, whose sum is σ = 23125980. Its totient is φ = 23125978.

The previous prime is 23125961. The next prime is 23125981. The reversal of 23125979 is 97952132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23125979 - 2¹² = 23121883 is a prime.

Together with 23125981, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23125909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11562989 + 11562990.

It is an arithmetic number, because the mean of its divisors is an integer number (11562990).

Almost surely, 2^23125979 is an apocalyptic number.

23125979 is a deficient number, since it is larger than the sum of its proper divisors (1).

23125979 is an equidigital number, since it uses as much as digits as its factorization.

23125979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34020, while the sum is 38.

The square root of 23125979 is about 4808.9478059135. The cubic root of 23125979 is about 284.9049811487.

The spelling of 23125979 in words is "twenty-three million, one hundred twenty-five thousand, nine hundred seventy-nine".