23255717 has 2 divisors, whose sum is σ = 23255718. Its totient is φ = 23255716.

The previous prime is 23255671. The next prime is 23255719. The reversal of 23255717 is 71755232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23049601 + 206116 = 4801^2 + 454^2 .

It is a cyclic number.

It is not a de Polignac number, because 23255717 - 2²⁴ = 6478501 is a prime.

Together with 23255719, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23255719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11627858 + 11627859.

It is an arithmetic number, because the mean of its divisors is an integer number (11627859).

Almost surely, 2^23255717 is an apocalyptic number.

It is an amenable number.

23255717 is a deficient number, since it is larger than the sum of its proper divisors (1).

23255717 is an equidigital number, since it uses as much as digits as its factorization.

23255717 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14700, while the sum is 32.

The square root of 23255717 is about 4822.4181693420. The cubic root of 23255717 is about 285.4367654188.

The spelling of 23255717 in words is "twenty-three million, two hundred fifty-five thousand, seven hundred seventeen".