23155879 has 2 divisors, whose sum is σ = 23155880. Its totient is φ = 23155878.

The previous prime is 23155861. The next prime is 23155897. The reversal of 23155879 is 97855132.

Together with next prime (23155897) 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 (23155861) and next prime (23155897).

It is a cyclic number.

It is not a de Polignac number, because 23155879 - 2⁹ = 23155367 is a prime.

It is a super-3 number, since 3×23155879³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23155829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11577939 + 11577940.

It is an arithmetic number, because the mean of its divisors is an integer number (11577940).

Almost surely, 2^23155879 is an apocalyptic number.

23155879 is a deficient number, since it is larger than the sum of its proper divisors (1).

23155879 is an equidigital number, since it uses as much as digits as its factorization.

23155879 is an evil number, because the sum of its binary digits is even.

The product of its digits is 75600, while the sum is 40.

The square root of 23155879 is about 4812.0555898701. The cubic root of 23155879 is about 285.0277145512.

The spelling of 23155879 in words is "twenty-three million, one hundred fifty-five thousand, eight hundred seventy-nine".