11203023203 has 2 divisors, whose sum is σ = 11203023204. Its totient is φ = 11203023202.

The previous prime is 11203023193. The next prime is 11203023217. The reversal of 11203023203 is 30232030211.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11203023203 is a prime.

It is not a weakly prime, because it can be changed into another prime (11203023253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5601511601 + 5601511602.

It is an arithmetic number, because the mean of its divisors is an integer number (5601511602).

Almost surely, 2^11203023203 is an apocalyptic number.

11203023203 is a deficient number, since it is larger than the sum of its proper divisors (1).

11203023203 is an equidigital number, since it uses as much as digits as its factorization.

11203023203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 11203023203 its reverse (30232030211), we get a palindrome (41435053414).

The spelling of 11203023203 in words is "eleven billion, two hundred three million, twenty-three thousand, two hundred three".