11130123203 has 2 divisors, whose sum is σ = 11130123204. Its totient is φ = 11130123202.

The previous prime is 11130123197. The next prime is 11130123233. The reversal of 11130123203 is 30232103111.

11130123203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11130123203 - 2¹² = 11130119107 is a prime.

It is not a weakly prime, because it can be changed into another prime (11130123233) 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, 5565061601 + 5565061602.

It is an arithmetic number, because the mean of its divisors is an integer number (5565061602).

Almost surely, 2^11130123203 is an apocalyptic number.

11130123203 is a deficient number, since it is larger than the sum of its proper divisors (1).

11130123203 is an equidigital number, since it uses as much as digits as its factorization.

11130123203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 11130123203 its reverse (30232103111), we get a palindrome (41362226314).

The spelling of 11130123203 in words is "eleven billion, one hundred thirty million, one hundred twenty-three thousand, two hundred three".