12403430203 has 2 divisors, whose sum is σ = 12403430204. Its totient is φ = 12403430202.

The previous prime is 12403430161. The next prime is 12403430213. The reversal of 12403430203 is 30203430421.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12403430203 - 2²¹ = 12401333051 is a prime.

It is not a weakly prime, because it can be changed into another prime (12403430213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6201715101 + 6201715102.

It is an arithmetic number, because the mean of its divisors is an integer number (6201715102).

Almost surely, 2^12403430203 is an apocalyptic number.

12403430203 is a deficient number, since it is larger than the sum of its proper divisors (1).

12403430203 is an equidigital number, since it uses as much as digits as its factorization.

12403430203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 12403430203 its reverse (30203430421), we get a palindrome (42606860624).

The spelling of 12403430203 in words is "twelve billion, four hundred three million, four hundred thirty thousand, two hundred three".