12344323321 has 36 divisors (see below), whose sum is σ = 14022424080. Its totient is φ = 10855570000.

The previous prime is 12344323301. The next prime is 12344323361. The reversal of 12344323321 is 12332344321.

It is a happy number.

It is not a de Polignac number, because 12344323321 - 2⁵ = 12344323289 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12344323321.

It is not an unprimeable number, because it can be changed into a prime (12344323301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 49180446 + ... + 49180696.

It is an arithmetic number, because the mean of its divisors is an integer number (389511780).

Almost surely, 2^12344323321 is an apocalyptic number.

12344323321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12344323321 is a deficient number, since it is larger than the sum of its proper divisors (1678100759).

12344323321 is an equidigital number, since it uses as much as digits as its factorization.

12344323321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498 (or 404 counting only the distinct ones).

The product of its digits is 10368, while the sum is 28.

Adding to 12344323321 its reverse (12332344321), we get a palindrome (24676667642).

The spelling of 12344323321 in words is "twelve billion, three hundred forty-four million, three hundred twenty-three thousand, three hundred twenty-one".