206203223 has 4 divisors (see below), whose sum is σ = 206815440. Its totient is φ = 205591008.

The previous prime is 206203213. The next prime is 206203229. The reversal of 206203223 is 322302602.

It is a happy number.

206203223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 206203223 - 2⁶ = 206203159 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 206203195 and 206203204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206203229) 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, 305603 + ... + 306276.

It is an arithmetic number, because the mean of its divisors is an integer number (51703860).

Almost surely, 2^206203223 is an apocalyptic number.

206203223 is a deficient number, since it is larger than the sum of its proper divisors (612217).

206203223 is an equidigital number, since it uses as much as digits as its factorization.

206203223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612216.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 206203223 is about 14359.7779578934. Note that the first 3 decimals coincide. The cubic root of 206203223 is about 590.7882053686.

Adding to 206203223 its reverse (322302602), we get a palindrome (528505825).

The spelling of 206203223 in words is "two hundred six million, two hundred three thousand, two hundred twenty-three".