1113023203 has 2 divisors, whose sum is σ = 1113023204. Its totient is φ = 1113023202.

The previous prime is 1113023183. The next prime is 1113023213. The reversal of 1113023203 is 3023203111.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1113023203 is a prime.

It is not a weakly prime, because it can be changed into another prime (1113023213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556511601 + 556511602.

It is an arithmetic number, because the mean of its divisors is an integer number (556511602).

Almost surely, 2^1113023203 is an apocalyptic number.

1113023203 is a deficient number, since it is larger than the sum of its proper divisors (1).

1113023203 is an equidigital number, since it uses as much as digits as its factorization.

1113023203 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 16.

The square root of 1113023203 is about 33362.0023829506. The cubic root of 1113023203 is about 1036.3379595737.

Adding to 1113023203 its reverse (3023203111), we get a palindrome (4136226314).

It can be divided in two parts, 111 and 3023203, that multiplied together give a palindrome (335575533).

The spelling of 1113023203 in words is "one billion, one hundred thirteen million, twenty-three thousand, two hundred three".