205340323 has 8 divisors (see below), whose sum is σ = 207465408. Its totient is φ = 203220864.

The previous prime is 205340293. The next prime is 205340393. The reversal of 205340323 is 323043502.

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 205340323 - 2⁹ = 205339811 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 205340294 and 205340303.

It is not an unprimeable number, because it can be changed into a prime (205340393) 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, 143590 + ... + 145012.

It is an arithmetic number, because the mean of its divisors is an integer number (25933176).

Almost surely, 2^205340323 is an apocalyptic number.

205340323 is a deficient number, since it is larger than the sum of its proper divisors (2125085).

205340323 is a wasteful number, since it uses less digits than its factorization.

205340323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2813.

The product of its (nonzero) digits is 2160, while the sum is 22.

The square root of 205340323 is about 14329.7007296035. The cubic root of 205340323 is about 589.9629613826.

Adding to 205340323 its reverse (323043502), we get a palindrome (528383825).

The spelling of 205340323 in words is "two hundred five million, three hundred forty thousand, three hundred twenty-three".