206411323 has 8 divisors (see below), whose sum is σ = 210182400. Its totient is φ = 202649448.

The previous prime is 206411287. The next prime is 206411333. The reversal of 206411323 is 323114602.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-206411323 is a prime.

It is a super-2 number, since 2×206411323² = 85211268525220658, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 206411294 and 206411303.

It is not an unprimeable number, because it can be changed into a prime (206411333) 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, 56218 + ... + 59776.

It is an arithmetic number, because the mean of its divisors is an integer number (26272800).

Almost surely, 2^206411323 is an apocalyptic number.

206411323 is a deficient number, since it is larger than the sum of its proper divisors (3771077).

206411323 is an equidigital number, since it uses as much as digits as its factorization.

206411323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4601.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 206411323 is about 14367.0220644363. The cubic root of 206411323 is about 590.9868794226.

Adding to 206411323 its reverse (323114602), we get a palindrome (529525925).

The spelling of 206411323 in words is "two hundred six million, four hundred eleven thousand, three hundred twenty-three".