12300031243 has 2 divisors, whose sum is σ = 12300031244. Its totient is φ = 12300031242.

The previous prime is 12300031229. The next prime is 12300031259. The reversal of 12300031243 is 34213000321.

12300031243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (34213000321) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12300031243 is a prime.

It is a super-2 number, since 2×12300031243² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12300031243.

It is not a weakly prime, because it can be changed into another prime (12300031543) 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 as a sum of consecutive naturals, namely, 6150015621 + 6150015622.

It is an arithmetic number, because the mean of its divisors is an integer number (6150015622).

Almost surely, 2^12300031243 is an apocalyptic number.

12300031243 is a deficient number, since it is larger than the sum of its proper divisors (1).

12300031243 is an equidigital number, since it uses as much as digits as its factorization.

12300031243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 12300031243 its reverse (34213000321), we get a palindrome (46513031564).

The spelling of 12300031243 in words is "twelve billion, three hundred million, thirty-one thousand, two hundred forty-three".