12112320323 has 4 divisors (see below), whose sum is σ = 12113598048. Its totient is φ = 12111042600.

The previous prime is 12112320277. The next prime is 12112320359. The reversal of 12112320323 is 32302321121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12112320323 - 2⁸ = 12112320067 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12112320295 and 12112320304.

It is not an unprimeable number, because it can be changed into a prime (12112340323) 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 3 ways as a sum of consecutive naturals, for example, 624536 + ... + 643637.

It is an arithmetic number, because the mean of its divisors is an integer number (3028399512).

Almost surely, 2^12112320323 is an apocalyptic number.

12112320323 is a deficient number, since it is larger than the sum of its proper divisors (1277725).

12112320323 is an equidigital number, since it uses as much as digits as its factorization.

12112320323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1277724.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 12112320323 its reverse (32302321121), we get a palindrome (44414641444).

The spelling of 12112320323 in words is "twelve billion, one hundred twelve million, three hundred twenty thousand, three hundred twenty-three".