12300111323243 has 4 divisors (see below), whose sum is σ = 12724253093040. Its totient is φ = 11875969553448.

The previous prime is 12300111323221. The next prime is 12300111323257. The reversal of 12300111323243 is 34232311100321.

It is a happy number.

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 12300111323243 - 2¹² = 12300111319147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12300111323443) 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 3 ways as a sum of consecutive naturals, for example, 212070884855 + ... + 212070884912.

It is an arithmetic number, because the mean of its divisors is an integer number (3181063273260).

Almost surely, 2^{12300111323243} is an apocalyptic number.

12300111323243 is a deficient number, since it is larger than the sum of its proper divisors (424141769797).

12300111323243 is an equidigital number, since it uses as much as digits as its factorization.

12300111323243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424141769796.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 12300111323243 its reverse (34232311100321), we get a palindrome (46532422423564).

The spelling of 12300111323243 in words is "twelve trillion, three hundred billion, one hundred eleven million, three hundred twenty-three thousand, two hundred forty-three".