12303143123 has 2 divisors, whose sum is σ = 12303143124. Its totient is φ = 12303143122.

The previous prime is 12303143071. The next prime is 12303143147. The reversal of 12303143123 is 32134130321.

12303143123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (32134130321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12303143123 - 2¹⁴ = 12303126739 is a prime.

It is not a weakly prime, because it can be changed into another prime (12303140123) 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, 6151571561 + 6151571562.

It is an arithmetic number, because the mean of its divisors is an integer number (6151571562).

Almost surely, 2^12303143123 is an apocalyptic number.

12303143123 is a deficient number, since it is larger than the sum of its proper divisors (1).

12303143123 is an equidigital number, since it uses as much as digits as its factorization.

12303143123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 12303143123 its reverse (32134130321), we get a palindrome (44437273444).

The spelling of 12303143123 in words is "twelve billion, three hundred three million, one hundred forty-three thousand, one hundred twenty-three".