23561411 has 2 divisors, whose sum is σ = 23561412. Its totient is φ = 23561410.

The previous prime is 23561393. The next prime is 23561413. The reversal of 23561411 is 11416532.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23561411 is a prime.

Together with 23561413, 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 (23561413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11780705 + 11780706.

It is an arithmetic number, because the mean of its divisors is an integer number (11780706).

Almost surely, 2^23561411 is an apocalyptic number.

23561411 is a deficient number, since it is larger than the sum of its proper divisors (1).

23561411 is an equidigital number, since it uses as much as digits as its factorization.

23561411 is an evil number, because the sum of its binary digits is even.

The product of its digits is 720, while the sum is 23.

The square root of 23561411 is about 4854.0097857339. The cubic root of 23561411 is about 286.6820040169.

Adding to 23561411 its reverse (11416532), we get a palindrome (34977943).

The spelling of 23561411 in words is "twenty-three million, five hundred sixty-one thousand, four hundred eleven".