23581879 has 2 divisors, whose sum is σ = 23581880. Its totient is φ = 23581878.

The previous prime is 23581861. The next prime is 23581897. The reversal of 23581879 is 97818532.

Together with next prime (23581897) it forms an Ormiston pair, because they use the same digits, order apart.

It is a balanced prime because it is at equal distance from previous prime (23581861) and next prime (23581897).

It is a cyclic number.

It is not a de Polignac number, because 23581879 - 2⁷ = 23581751 is a prime.

It is a super-2 number, since 2×23581879² = 1112210034341282, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23581829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11790939 + 11790940.

It is an arithmetic number, because the mean of its divisors is an integer number (11790940).

Almost surely, 2^23581879 is an apocalyptic number.

23581879 is a deficient number, since it is larger than the sum of its proper divisors (1).

23581879 is an equidigital number, since it uses as much as digits as its factorization.

23581879 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120960, while the sum is 43.

The square root of 23581879 is about 4856.1176880302. The cubic root of 23581879 is about 286.7649943627.

The spelling of 23581879 in words is "twenty-three million, five hundred eighty-one thousand, eight hundred seventy-nine".