23105039 has 2 divisors, whose sum is σ = 23105040. Its totient is φ = 23105038.

The previous prime is 23105021. The next prime is 23105053. The reversal of 23105039 is 93050132.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23105039 is a prime.

It is a Chen prime.

It is equal to p_1454441 and since 23105039 and 1454441 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 (23102039) 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, 11552519 + 11552520.

It is an arithmetic number, because the mean of its divisors is an integer number (11552520).

Almost surely, 2^23105039 is an apocalyptic number.

23105039 is a deficient number, since it is larger than the sum of its proper divisors (1).

23105039 is an equidigital number, since it uses as much as digits as its factorization.

23105039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 810, while the sum is 23.

The square root of 23105039 is about 4806.7701214017. The cubic root of 23105039 is about 284.8189637183.

The spelling of 23105039 in words is "twenty-three million, one hundred five thousand, thirty-nine".