1103233203 has 30 divisors (see below), whose sum is σ = 1722875924. Its totient is φ = 703483704.

The previous prime is 1103233151. The next prime is 1103233217. The reversal of 1103233203 is 3023323011.

It is not a de Polignac number, because 1103233203 - 2¹⁷ = 1103102131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1103233253) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 29976 + ... + 55722.

Almost surely, 2^1103233203 is an apocalyptic number.

1103233203 is a deficient number, since it is larger than the sum of its proper divisors (619642721).

1103233203 is an equidigital number, since it uses as much as digits as its factorization.

1103233203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25805 (or 25773 counting only the distinct ones).

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

The square root of 1103233203 is about 33214.9545084740. The cubic root of 1103233203 is about 1033.2905113599.

Adding to 1103233203 its reverse (3023323011), we get a palindrome (4126556214).

It can be divided in two parts, 110323 and 3203, that added together give a triangular number (113526 = T₄₇₆).

The spelling of 1103233203 in words is "one billion, one hundred three million, two hundred thirty-three thousand, two hundred three".