203023032103 has 4 divisors (see below), whose sum is σ = 206053226680. Its totient is φ = 199992837528.

The previous prime is 203023032089. The next prime is 203023032127. The reversal of 203023032103 is 301230320302.

It is a happy number.

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 203023032103 - 2⁹ = 203023031591 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 (203023032403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1515097188 + ... + 1515097321.

It is an arithmetic number, because the mean of its divisors is an integer number (51513306670).

Almost surely, 2^203023032103 is an apocalyptic number.

203023032103 is a deficient number, since it is larger than the sum of its proper divisors (3030194577).

203023032103 is an equidigital number, since it uses as much as digits as its factorization.

203023032103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3030194576.

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 203023032103 its reverse (301230320302), we get a palindrome (504253352405).

The spelling of 203023032103 in words is "two hundred three billion, twenty-three million, thirty-two thousand, one hundred three".