200203103 has 4 divisors (see below), whose sum is σ = 201478440. Its totient is φ = 198927768.

The previous prime is 200203051. The next prime is 200203121. The reversal of 200203103 is 301302002.

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 200203103 - 2¹² = 200199007 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 (200203183) 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, 637433 + ... + 637746.

It is an arithmetic number, because the mean of its divisors is an integer number (50369610).

Almost surely, 2^200203103 is an apocalyptic number.

200203103 is a deficient number, since it is larger than the sum of its proper divisors (1275337).

200203103 is a wasteful number, since it uses less digits than its factorization.

200203103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1275336.

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 200203103 is about 14149.3145770387. The cubic root of 200203103 is about 585.0014395952.

Adding to 200203103 its reverse (301302002), we get a palindrome (501505105).

The spelling of 200203103 in words is "two hundred million, two hundred three thousand, one hundred three".