2003112321003 has 6 divisors (see below), whose sum is σ = 2893384463684. Its totient is φ = 1335408213996.

The previous prime is 2003112320941. The next prime is 2003112321017. The reversal of 2003112321003 is 3001232113002.

2003112321003 is a `hidden beast` number, since 20 + 0 + 311 + 232 + 100 + 3 = 666.

It is not a de Polignac number, because 2003112321003 - 2²² = 2003108126699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2003112328003) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 111284017825 + ... + 111284017842.

Almost surely, 2^{2003112321003} is an apocalyptic number.

2003112321003 is a deficient number, since it is larger than the sum of its proper divisors (890272142681).

2003112321003 is a wasteful number, since it uses less digits than its factorization.

2003112321003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222568035673 (or 222568035670 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 2003112321003 its reverse (3001232113002), we get a palindrome (5004344434005).

The spelling of 2003112321003 in words is "two trillion, three billion, one hundred twelve million, three hundred twenty-one thousand, three".