10003203 has 24 divisors (see below), whose sum is σ = 17241360. Its totient is φ = 5715360.

The previous prime is 10003199. The next prime is 10003223. The reversal of 10003203 is 30230001.

It is a happy number.

It is not a de Polignac number, because 10003203 - 2² = 10003199 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (10003223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2458 + ... + 5103.

It is an arithmetic number, because the mean of its divisors is an integer number (718390).

Almost surely, 2^10003203 is an apocalyptic number.

10003203 is a deficient number, since it is larger than the sum of its proper divisors (7238157).

10003203 is an equidigital number, since it uses as much as digits as its factorization.

10003203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7584 (or 7571 counting only the distinct ones).

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

The square root of 10003203 is about 3162.7840583891. The cubic root of 10003203 is about 215.4664687288.

Adding to 10003203 its reverse (30230001), we get a palindrome (40233204).

The spelling of 10003203 in words is "ten million, three thousand, two hundred three".