10003403 has 4 divisors (see below), whose sum is σ = 10144368. Its totient is φ = 9862440.

The previous prime is 10003373. The next prime is 10003417. The reversal of 10003403 is 30430001.

10003403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10003403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10003003) 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, 70376 + ... + 70517.

It is an arithmetic number, because the mean of its divisors is an integer number (2536092).

Almost surely, 2^10003403 is an apocalyptic number.

10003403 is a deficient number, since it is larger than the sum of its proper divisors (140965).

10003403 is an equidigital number, since it uses as much as digits as its factorization.

10003403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140964.

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

The square root of 10003403 is about 3162.8156759445. The cubic root of 10003403 is about 215.4679047024.

Adding to 10003403 its reverse (30430001), we get a palindrome (40433404).

The spelling of 10003403 in words is "ten million, three thousand, four hundred three".