206023 has 4 divisors (see below), whose sum is σ = 218160. Its totient is φ = 193888.

The previous prime is 206021. The next prime is 206027. The reversal of 206023 is 320602.

206023 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 206023 - 2¹ = 206021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 205994 and 206012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206021) 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, 6043 + ... + 6076.

It is an arithmetic number, because the mean of its divisors is an integer number (54540).

2²⁰⁶⁰²³ is an apocalyptic number.

206023 is a deficient number, since it is larger than the sum of its proper divisors (12137).

206023 is a wasteful number, since it uses less digits than its factorization.

206023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12136.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 206023 is about 453.8975655365. The cubic root of 206023 is about 59.0616037582.

Adding to 206023 its reverse (320602), we get a palindrome (526625).

The spelling of 206023 in words is "two hundred six thousand, twenty-three".