11403230203 has 2 divisors, whose sum is σ = 11403230204. Its totient is φ = 11403230202.

The previous prime is 11403230197. The next prime is 11403230227. The reversal of 11403230203 is 30203230411.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11403230203 is a prime.

It is a super-2 number, since 2×11403230203² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11403230603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5701615101 + 5701615102.

It is an arithmetic number, because the mean of its divisors is an integer number (5701615102).

Almost surely, 2^11403230203 is an apocalyptic number.

11403230203 is a deficient number, since it is larger than the sum of its proper divisors (1).

11403230203 is an equidigital number, since it uses as much as digits as its factorization.

11403230203 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 11403230203 its reverse (30203230411), we get a palindrome (41606460614).

The spelling of 11403230203 in words is "eleven billion, four hundred three million, two hundred thirty thousand, two hundred three".