10043903 has 4 divisors (see below), whose sum is σ = 10193880. Its totient is φ = 9893928.

The previous prime is 10043863. The next prime is 10043911. The reversal of 10043903 is 30934001.

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 10043903 - 2¹⁴ = 10027519 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 (10043933) 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, 74888 + ... + 75021.

It is an arithmetic number, because the mean of its divisors is an integer number (2548470).

Almost surely, 2^10043903 is an apocalyptic number.

10043903 is a deficient number, since it is larger than the sum of its proper divisors (149977).

10043903 is an equidigital number, since it uses as much as digits as its factorization.

10043903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149976.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 10043903 is about 3169.2117316456. The cubic root of 10043903 is about 215.7582958775.

Adding to 10043903 its reverse (30934001), we get a palindrome (40977904).

The spelling of 10043903 in words is "ten million, forty-three thousand, nine hundred three".