10203 has 8 divisors (see below), whose sum is σ = 14400. Its totient is φ = 6408.

The previous prime is 10193. The next prime is 10211. The reversal of 10203 is 30201.

10203 is nontrivially palindromic in base 7.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10203 - 2⁶ = 10139 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10191 and 10200.

It is not an unprimeable number, because it can be changed into a prime (10223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33 + ... + 146.

It is an arithmetic number, because the mean of its divisors is an integer number (1800).

2¹⁰²⁰³ is an apocalyptic number.

10203 is a deficient number, since it is larger than the sum of its proper divisors (4197).

10203 is a wasteful number, since it uses less digits than its factorization.

10203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201.

The product of its (nonzero) digits is 6, while the sum is 6.

The square root of 10203 is about 101.0099005049. The cubic root of 10203 is about 21.6891548234.

Adding to 10203 its reverse (30201), we get a palindrome (40404).

The spelling of 10203 in words is "ten thousand, two hundred three", and thus it is an iban number.