23105879 has 2 divisors, whose sum is σ = 23105880. Its totient is φ = 23105878.

The previous prime is 23105867. The next prime is 23105893. The reversal of 23105879 is 97850132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23105879 - 2¹² = 23101783 is a prime.

It is equal to p_1454489 and since 23105879 and 1454489 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23105899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11552939 + 11552940.

It is an arithmetic number, because the mean of its divisors is an integer number (11552940).

Almost surely, 2^23105879 is an apocalyptic number.

23105879 is a deficient number, since it is larger than the sum of its proper divisors (1).

23105879 is an equidigital number, since it uses as much as digits as its factorization.

23105879 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 23105879 is about 4806.8574973677. The cubic root of 23105879 is about 284.8224152746.

The spelling of 23105879 in words is "twenty-three million, one hundred five thousand, eight hundred seventy-nine".