12045031223 has 2 divisors, whose sum is σ = 12045031224. Its totient is φ = 12045031222.

The previous prime is 12045031153. The next prime is 12045031231. The reversal of 12045031223 is 32213054021.

It is a strong prime.

It is an emirp because it is prime and its reverse (32213054021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12045031223 - 2¹⁰ = 12045030199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12045031283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6022515611 + 6022515612.

It is an arithmetic number, because the mean of its divisors is an integer number (6022515612).

Almost surely, 2^12045031223 is an apocalyptic number.

12045031223 is a deficient number, since it is larger than the sum of its proper divisors (1).

12045031223 is an equidigital number, since it uses as much as digits as its factorization.

12045031223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 12045031223 its reverse (32213054021), we get a palindrome (44258085244).

The spelling of 12045031223 in words is "twelve billion, forty-five million, thirty-one thousand, two hundred twenty-three".