23563161241 has 2 divisors, whose sum is σ = 23563161242. Its totient is φ = 23563161240.

The previous prime is 23563161221. The next prime is 23563161257. The reversal of 23563161241 is 14216136532.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13111166016 + 10451995225 = 114504^2 + 102235^2 .

It is a cyclic number.

It is not a de Polignac number, because 23563161241 - 2¹³ = 23563153049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23563161197 and 23563161206.

It is not a weakly prime, because it can be changed into another prime (23563161211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11781580620 + 11781580621.

It is an arithmetic number, because the mean of its divisors is an integer number (11781580621).

Almost surely, 2^23563161241 is an apocalyptic number.

It is an amenable number.

23563161241 is a deficient number, since it is larger than the sum of its proper divisors (1).

23563161241 is an equidigital number, since it uses as much as digits as its factorization.

23563161241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25920, while the sum is 34.

Adding to 23563161241 its reverse (14216136532), we get a palindrome (37779297773).

The spelling of 23563161241 in words is "twenty-three billion, five hundred sixty-three million, one hundred sixty-one thousand, two hundred forty-one".