11173203 has 6 divisors (see below), whose sum is σ = 16139084. Its totient is φ = 7448796.

The previous prime is 11173177. The next prime is 11173213. The reversal of 11173203 is 30237111.

It is not a de Polignac number, because 11173203 - 2⁵ = 11173171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11173213) 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, 620725 + ... + 620742.

Almost surely, 2^11173203 is an apocalyptic number.

11173203 is a deficient number, since it is larger than the sum of its proper divisors (4965881).

11173203 is a wasteful number, since it uses less digits than its factorization.

11173203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1241473 (or 1241470 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 18.

The square root of 11173203 is about 3342.6341409134. The cubic root of 11173203 is about 223.5592083724.

The spelling of 11173203 in words is "eleven million, one hundred seventy-three thousand, two hundred three".