12304330243 has 4 divisors (see below), whose sum is σ = 12323526408. Its totient is φ = 12285134080.

The previous prime is 12304330229. The next prime is 12304330273. The reversal of 12304330243 is 34203340321.

12304330243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 12304330243 - 2²¹ = 12302233091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12304330273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9597121 + ... + 9598402.

It is an arithmetic number, because the mean of its divisors is an integer number (3080881602).

Almost surely, 2^12304330243 is an apocalyptic number.

12304330243 is a deficient number, since it is larger than the sum of its proper divisors (19196165).

12304330243 is an equidigital number, since it uses as much as digits as its factorization.

12304330243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19196164.

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 12304330243 its reverse (34203340321), we get a palindrome (46507670564).

The spelling of 12304330243 in words is "twelve billion, three hundred four million, three hundred thirty thousand, two hundred forty-three".