23161241 has 2 divisors, whose sum is σ = 23161242. Its totient is φ = 23161240.

The previous prime is 23161199. The next prime is 23161249. The reversal of 23161241 is 14216132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14280841 + 8880400 = 3779^2 + 2980^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23161241 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23161249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11580620 + 11580621.

It is an arithmetic number, because the mean of its divisors is an integer number (11580621).

Almost surely, 2^23161241 is an apocalyptic number.

It is an amenable number.

23161241 is a deficient number, since it is larger than the sum of its proper divisors (1).

23161241 is an equidigital number, since it uses as much as digits as its factorization.

23161241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 288, while the sum is 20.

The square root of 23161241 is about 4812.6126999791. The cubic root of 23161241 is about 285.0497132936.

Adding to 23161241 its reverse (14216132), we get a palindrome (37377373).

The spelling of 23161241 in words is "twenty-three million, one hundred sixty-one thousand, two hundred forty-one".