103203 has 6 divisors (see below), whose sum is σ = 149084. Its totient is φ = 68796.

The previous prime is 103183. The next prime is 103217. The reversal of 103203 is 302301.

It is a happy number.

It is not a de Polignac number, because 103203 - 2⁵ = 103171 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 11467 = 103203 / (1 + 0 + 3 + 2 + 0 + 3).

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 103203.

It is not an unprimeable number, because it can be changed into a prime (103703) 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, 5725 + ... + 5742.

2¹⁰³²⁰³ is an apocalyptic number.

103203 is a deficient number, since it is larger than the sum of its proper divisors (45881).

103203 is a wasteful number, since it uses less digits than its factorization.

103203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11473 (or 11470 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 9.

The square root of 103203 is about 321.2522373463. The cubic root of 103203 is about 46.9062564867.

Adding to 103203 its reverse (302301), we get a palindrome (405504).

The spelling of 103203 in words is "one hundred three thousand, two hundred three", and thus it is an iban number.