206243323 has 32 divisors (see below), whose sum is σ = 256596480. Its totient is φ = 163088640.

The previous prime is 206243321. The next prime is 206243329. The reversal of 206243323 is 323342602.

It is a happy number.

It is not a de Polignac number, because 206243323 - 2¹ = 206243321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (206243321) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 239668 + ... + 240526.

It is an arithmetic number, because the mean of its divisors is an integer number (8018640).

Almost surely, 2^206243323 is an apocalyptic number.

206243323 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

206243323 is a deficient number, since it is larger than the sum of its proper divisors (50353157).

206243323 is a wasteful number, since it uses less digits than its factorization.

206243323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 979.

The product of its (nonzero) digits is 5184, while the sum is 25.

The square root of 206243323 is about 14361.1741511619. The cubic root of 206243323 is about 590.8264994217.

Adding to 206243323 its reverse (323342602), we get a palindrome (529585925).

The spelling of 206243323 in words is "two hundred six million, two hundred forty-three thousand, three hundred twenty-three".