206203317323 has 8 divisors (see below), whose sum is σ = 211353651600. Its totient is φ = 201058744320.

The previous prime is 206203317289. The next prime is 206203317391. The reversal of 206203317323 is 323713302602.

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

It is a cyclic number.

It is not a de Polignac number, because 206203317323 - 2⁶ = 206203317259 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 206203317323.

It is not an unprimeable number, because it can be changed into a prime (206203317223) 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, 1367798 + ... + 1511051.

It is an arithmetic number, because the mean of its divisors is an integer number (26419206450).

Almost surely, 2^206203317323 is an apocalyptic number.

206203317323 is a deficient number, since it is larger than the sum of its proper divisors (5150334277).

206203317323 is a wasteful number, since it uses less digits than its factorization.

206203317323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2880637.

The product of its (nonzero) digits is 27216, while the sum is 32.

Adding to 206203317323 its reverse (323713302602), we get a palindrome (529916619925).

The spelling of 206203317323 in words is "two hundred six billion, two hundred three million, three hundred seventeen thousand, three hundred twenty-three".