23257271 has 2 divisors, whose sum is σ = 23257272. Its totient is φ = 23257270.

The previous prime is 23257259. The next prime is 23257307. The reversal of 23257271 is 17275232.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23257271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23257771) 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, 11628635 + 11628636.

It is an arithmetic number, because the mean of its divisors is an integer number (11628636).

Almost surely, 2^23257271 is an apocalyptic number.

23257271 is a deficient number, since it is larger than the sum of its proper divisors (1).

23257271 is an equidigital number, since it uses as much as digits as its factorization.

23257271 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5880, while the sum is 29.

The square root of 23257271 is about 4822.5792891356. The cubic root of 23257271 is about 285.4431231222.

The spelling of 23257271 in words is "twenty-three million, two hundred fifty-seven thousand, two hundred seventy-one".