2003542303 has 4 divisors (see below), whose sum is σ = 2289762640. Its totient is φ = 1717321968.

The previous prime is 2003542283. The next prime is 2003542309. The reversal of 2003542303 is 3032453002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2003542303 - 2⁹ = 2003541791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2003542309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143110158 + ... + 143110171.

It is an arithmetic number, because the mean of its divisors is an integer number (572440660).

Almost surely, 2^2003542303 is an apocalyptic number.

2003542303 is a deficient number, since it is larger than the sum of its proper divisors (286220337).

2003542303 is an equidigital number, since it uses as much as digits as its factorization.

2003542303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286220336.

The product of its (nonzero) digits is 2160, while the sum is 22.

The square root of 2003542303 is about 44760.9461807947. The cubic root of 2003542303 is about 1260.6644481963.

Adding to 2003542303 its reverse (3032453002), we get a palindrome (5035995305).

The spelling of 2003542303 in words is "two billion, three million, five hundred forty-two thousand, three hundred three".