12310123403 has 2 divisors, whose sum is σ = 12310123404. Its totient is φ = 12310123402.

The previous prime is 12310123373. The next prime is 12310123429. The reversal of 12310123403 is 30432101321.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12310123403 is a prime.

It is not a weakly prime, because it can be changed into another prime (12310123003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6155061701 + 6155061702.

It is an arithmetic number, because the mean of its divisors is an integer number (6155061702).

Almost surely, 2^12310123403 is an apocalyptic number.

12310123403 is a deficient number, since it is larger than the sum of its proper divisors (1).

12310123403 is an equidigital number, since it uses as much as digits as its factorization.

12310123403 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 20.

Adding to 12310123403 its reverse (30432101321), we get a palindrome (42742224724).

The spelling of 12310123403 in words is "twelve billion, three hundred ten million, one hundred twenty-three thousand, four hundred three".