23563132211 has 2 divisors, whose sum is σ = 23563132212. Its totient is φ = 23563132210.

The previous prime is 23563132189. The next prime is 23563132213. The reversal of 23563132211 is 11223136532.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23563132211 is a prime.

Together with 23563132213, 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 (23563132213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11781566105 + 11781566106.

It is an arithmetic number, because the mean of its divisors is an integer number (11781566106).

Almost surely, 2^23563132211 is an apocalyptic number.

23563132211 is a deficient number, since it is larger than the sum of its proper divisors (1).

23563132211 is an equidigital number, since it uses as much as digits as its factorization.

23563132211 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6480, while the sum is 29.

Adding to 23563132211 its reverse (11223136532), we get a palindrome (34786268743).

The spelling of 23563132211 in words is "twenty-three billion, five hundred sixty-three million, one hundred thirty-two thousand, two hundred eleven".