23401271 has 2 divisors, whose sum is σ = 23401272. Its totient is φ = 23401270.

The previous prime is 23401267. The next prime is 23401277. The reversal of 23401271 is 17210432.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23401271 - 2² = 23401267 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23401277) 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, 11700635 + 11700636.

It is an arithmetic number, because the mean of its divisors is an integer number (11700636).

Almost surely, 2^23401271 is an apocalyptic number.

23401271 is a deficient number, since it is larger than the sum of its proper divisors (1).

23401271 is an equidigital number, since it uses as much as digits as its factorization.

23401271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 23401271 is about 4837.4860206516. The cubic root of 23401271 is about 286.0310291207.

The spelling of 23401271 in words is "twenty-three million, four hundred one thousand, two hundred seventy-one".