320534323 has 8 divisors (see below), whose sum is σ = 322246080. Its totient is φ = 318827880.

The previous prime is 320534299. The next prime is 320534329. The reversal of 320534323 is 323435023.

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 320534323 - 2¹³ = 320526131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320534329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176088 + ... + 177898.

It is an arithmetic number, because the mean of its divisors is an integer number (40280760).

Almost surely, 2^320534323 is an apocalyptic number.

320534323 is a deficient number, since it is larger than the sum of its proper divisors (1711757).

320534323 is a wasteful number, since it uses less digits than its factorization.

320534323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2657.

The product of its (nonzero) digits is 6480, while the sum is 25.

The square root of 320534323 is about 17903.4723726991. The cubic root of 320534323 is about 684.3708667571.

Adding to 320534323 its reverse (323435023), we get a palindrome (643969346).

The spelling of 320534323 in words is "three hundred twenty million, five hundred thirty-four thousand, three hundred twenty-three".