23997271 has 2 divisors, whose sum is σ = 23997272. Its totient is φ = 23997270.

The previous prime is 23997229. The next prime is 23997283. The reversal of 23997271 is 17279932.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23997271 - 2¹⁵ = 23964503 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23907271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11998635 + 11998636.

It is an arithmetic number, because the mean of its divisors is an integer number (11998636).

Almost surely, 2^23997271 is an apocalyptic number.

23997271 is a deficient number, since it is larger than the sum of its proper divisors (1).

23997271 is an equidigital number, since it uses as much as digits as its factorization.

23997271 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 47628, while the sum is 40.

The square root of 23997271 is about 4898.7009502520. The cubic root of 23997271 is about 288.4389805941.

The spelling of 23997271 in words is "twenty-three million, nine hundred ninety-seven thousand, two hundred seventy-one".