12311342323 has 4 divisors (see below), whose sum is σ = 14070105520. Its totient is φ = 10552579128.

The previous prime is 12311342311. The next prime is 12311342333. The reversal of 12311342323 is 32324311321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32324311321 = 499 ⋅64778179.

It is not a de Polignac number, because 12311342323 - 2¹⁷ = 12311211251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12311342333) 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, 879381588 + ... + 879381601.

It is an arithmetic number, because the mean of its divisors is an integer number (3517526380).

Almost surely, 2^12311342323 is an apocalyptic number.

12311342323 is a deficient number, since it is larger than the sum of its proper divisors (1758763197).

12311342323 is an equidigital number, since it uses as much as digits as its factorization.

12311342323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1758763196.

The product of its digits is 2592, while the sum is 25.

Adding to 12311342323 its reverse (32324311321), we get a palindrome (44635653644).

The spelling of 12311342323 in words is "twelve billion, three hundred eleven million, three hundred forty-two thousand, three hundred twenty-three".