23212312663 has 2 divisors, whose sum is σ = 23212312664. Its totient is φ = 23212312662.

The previous prime is 23212312631. The next prime is 23212312679. The reversal of 23212312663 is 36621321232.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23212312663 - 2⁵ = 23212312631 is a prime.

It is a super-2 number, since 2×23212312663² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23212312763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11606156331 + 11606156332.

It is an arithmetic number, because the mean of its divisors is an integer number (11606156332).

Almost surely, 2^23212312663 is an apocalyptic number.

23212312663 is a deficient number, since it is larger than the sum of its proper divisors (1).

23212312663 is an equidigital number, since it uses as much as digits as its factorization.

23212312663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 31.

Adding to 23212312663 its reverse (36621321232), we get a palindrome (59833633895).

The spelling of 23212312663 in words is "twenty-three billion, two hundred twelve million, three hundred twelve thousand, six hundred sixty-three".