23160281 has 2 divisors, whose sum is σ = 23160282. Its totient is φ = 23160280.

The previous prime is 23160253. The next prime is 23160283. The reversal of 23160281 is 18206132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22657600 + 502681 = 4760^2 + 709^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23160281 is a prime.

It is a super-2 number, since 2×23160281² = 1072797231997922, which contains 22 as substring.

Together with 23160283, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23160283) 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, 11580140 + 11580141.

It is an arithmetic number, because the mean of its divisors is an integer number (11580141).

Almost surely, 2^23160281 is an apocalyptic number.

It is an amenable number.

23160281 is a deficient number, since it is larger than the sum of its proper divisors (1).

23160281 is an equidigital number, since it uses as much as digits as its factorization.

23160281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 23160281 is about 4812.5129610215. The cubic root of 23160281 is about 285.0457749395.

The spelling of 23160281 in words is "twenty-three million, one hundred sixty thousand, two hundred eighty-one".