206873203 has 4 divisors (see below), whose sum is σ = 207063568. Its totient is φ = 206682840.

The previous prime is 206873141. The next prime is 206873207. The reversal of 206873203 is 302378602.

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 206873203 - 2⁹ = 206872691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (206873207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93543 + ... + 95728.

It is an arithmetic number, because the mean of its divisors is an integer number (51765892).

Almost surely, 2^206873203 is an apocalyptic number.

206873203 is a deficient number, since it is larger than the sum of its proper divisors (190365).

206873203 is a wasteful number, since it uses less digits than its factorization.

206873203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190364.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 206873203 is about 14383.0873945756. The cubic root of 206873203 is about 591.4273618324.

The spelling of 206873203 in words is "two hundred six million, eight hundred seventy-three thousand, two hundred three".