12323322543 has 8 divisors (see below), whose sum is σ = 18778396288. Its totient is φ = 7041898584.

The previous prime is 12323322521. The next prime is 12323322547. The reversal of 12323322543 is 34522332321.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12323322543 - 2⁵ = 12323322511 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 12323322543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12323322547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 293412421 + ... + 293412462.

It is an arithmetic number, because the mean of its divisors is an integer number (2347299536).

Almost surely, 2^12323322543 is an apocalyptic number.

12323322543 is a deficient number, since it is larger than the sum of its proper divisors (6455073745).

12323322543 is an equidigital number, since it uses as much as digits as its factorization.

12323322543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586824893.

The product of its digits is 25920, while the sum is 30.

Adding to 12323322543 its reverse (34522332321), we get a palindrome (46845654864).

The spelling of 12323322543 in words is "twelve billion, three hundred twenty-three million, three hundred twenty-two thousand, five hundred forty-three".