12423347223 has 16 divisors (see below), whose sum is σ = 18958553856. Its totient is φ = 7088653440.

The previous prime is 12423347179. The next prime is 12423347257. The reversal of 12423347223 is 32274332421.

It is not a de Polignac number, because 12423347223 - 2¹⁸ = 12423085079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12423347423) 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 15 ways as a sum of consecutive naturals, for example, 418738 + ... + 447423.

It is an arithmetic number, because the mean of its divisors is an integer number (1184909616).

Almost surely, 2^12423347223 is an apocalyptic number.

12423347223 is a deficient number, since it is larger than the sum of its proper divisors (6535206633).

12423347223 is an equidigital number, since it uses as much as digits as its factorization.

12423347223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 866854.

The product of its digits is 48384, while the sum is 33.

Adding to 12423347223 its reverse (32274332421), we get a palindrome (44697679644).

The spelling of 12423347223 in words is "twelve billion, four hundred twenty-three million, three hundred forty-seven thousand, two hundred twenty-three".