12303242443 has 2 divisors, whose sum is σ = 12303242444. Its totient is φ = 12303242442.

The previous prime is 12303242423. The next prime is 12303242467. The reversal of 12303242443 is 34424230321.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12303242443 is a prime.

It is a super-2 number, since 2×12303242443² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12303242423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6151621221 + 6151621222.

It is an arithmetic number, because the mean of its divisors is an integer number (6151621222).

Almost surely, 2^12303242443 is an apocalyptic number.

12303242443 is a deficient number, since it is larger than the sum of its proper divisors (1).

12303242443 is an equidigital number, since it uses as much as digits as its factorization.

12303242443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 12303242443 its reverse (34424230321), we get a palindrome (46727472764).

The spelling of 12303242443 in words is "twelve billion, three hundred three million, two hundred forty-two thousand, four hundred forty-three".