12443042223 has 12 divisors (see below), whose sum is σ = 17981559960. Its totient is φ = 8291541456.

The previous prime is 12443042191. The next prime is 12443042257. The reversal of 12443042223 is 32224034421.

12443042223 is a `hidden beast` number, since 1 + 2 + 4 + 430 + 4 + 2 + 223 = 666.

It is not a de Polignac number, because 12443042223 - 2⁵ = 12443042191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12443042323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 297636 + ... + 336857.

It is an arithmetic number, because the mean of its divisors is an integer number (1498463330).

Almost surely, 2^12443042223 is an apocalyptic number.

12443042223 is a deficient number, since it is larger than the sum of its proper divisors (5538517737).

12443042223 is a wasteful number, since it uses less digits than its factorization.

12443042223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636678 (or 636675 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 12443042223 its reverse (32224034421), we get a palindrome (44667076644).

The spelling of 12443042223 in words is "twelve billion, four hundred forty-three million, forty-two thousand, two hundred twenty-three".