206203103 has 8 divisors (see below), whose sum is σ = 217806336. Its totient is φ = 194909400.

The previous prime is 206203091. The next prime is 206203117. The reversal of 206203103 is 301302602.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 206203103 - 2¹⁶ = 206137567 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 (206203133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76013 + ... + 78678.

It is an arithmetic number, because the mean of its divisors is an integer number (27225792).

Almost surely, 2^206203103 is an apocalyptic number.

206203103 is a deficient number, since it is larger than the sum of its proper divisors (11603233).

206203103 is a wasteful number, since it uses less digits than its factorization.

206203103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154765.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 206203103 is about 14359.7737795552. The cubic root of 206203103 is about 590.7880907655.

Adding to 206203103 its reverse (301302602), we get a palindrome (507505705).

The spelling of 206203103 in words is "two hundred six million, two hundred three thousand, one hundred three".