2112231223 has 2 divisors, whose sum is σ = 2112231224. Its totient is φ = 2112231222.

The previous prime is 2112231203. The next prime is 2112231229. The reversal of 2112231223 is 3221322112.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2112231223 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2112231223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2112231229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056115611 + 1056115612.

It is an arithmetic number, because the mean of its divisors is an integer number (1056115612).

Almost surely, 2^2112231223 is an apocalyptic number.

2112231223 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112231223 is an equidigital number, since it uses as much as digits as its factorization.

2112231223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 288, while the sum is 19.

The square root of 2112231223 is about 45959.0167758189. The cubic root of 2112231223 is about 1283.0605519886.

Adding to 2112231223 its reverse (3221322112), we get a palindrome (5333553335).

The spelling of 2112231223 in words is "two billion, one hundred twelve million, two hundred thirty-one thousand, two hundred twenty-three".