23255291 has 2 divisors, whose sum is σ = 23255292. Its totient is φ = 23255290.

The previous prime is 23255257. The next prime is 23255293. The reversal of 23255291 is 19255232.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23255291 - 2¹⁰ = 23254267 is a prime.

Together with 23255293, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p_1463267 and since 23255291 and 1463267 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (23255293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11627645 + 11627646.

It is an arithmetic number, because the mean of its divisors is an integer number (11627646).

Almost surely, 2^23255291 is an apocalyptic number.

23255291 is a deficient number, since it is larger than the sum of its proper divisors (1).

23255291 is an equidigital number, since it uses as much as digits as its factorization.

23255291 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5400, while the sum is 29.

The square root of 23255291 is about 4822.3740004276. The cubic root of 23255291 is about 285.4350225240.

The spelling of 23255291 in words is "twenty-three million, two hundred fifty-five thousand, two hundred ninety-one".