1103323203 has 12 divisors (see below), whose sum is σ = 1605156280. Its totient is φ = 730256256.

The previous prime is 1103323189. The next prime is 1103323211. The reversal of 1103323203 is 3023233011.

1103323203 is a `hidden beast` number, since 1 + 10 + 332 + 320 + 3 = 666.

It is not a de Polignac number, because 1103323203 - 2⁹ = 1103322691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1103323223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 439726 + ... + 442227.

Almost surely, 2^1103323203 is an apocalyptic number.

1103323203 is a deficient number, since it is larger than the sum of its proper divisors (501833077).

1103323203 is a wasteful number, since it uses less digits than its factorization.

1103323203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 882098 (or 882095 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 1103323203 is about 33216.3092922739. The cubic root of 1103323203 is about 1033.3186086583.

Adding to 1103323203 its reverse (3023233011), we get a palindrome (4126556214).

The spelling of 1103323203 in words is "one billion, one hundred three million, three hundred twenty-three thousand, two hundred three".