320323041 has 12 divisors (see below), whose sum is σ = 464677668. Its totient is φ = 212630784.

The previous prime is 320323013. The next prime is 320323063. The reversal of 320323041 is 140323023.

It can be written as a sum of positive squares in 2 ways, for example, as 196112016 + 124211025 = 14004^2 + 11145^2 .

It is not a de Polignac number, because 320323041 - 2¹³ = 320314849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (320323141) 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 11 ways as a sum of consecutive naturals, for example, 74280 + ... + 78473.

It is an arithmetic number, because the mean of its divisors is an integer number (38723139).

Almost surely, 2^320323041 is an apocalyptic number.

It is an amenable number.

320323041 is a deficient number, since it is larger than the sum of its proper divisors (144354627).

320323041 is a wasteful number, since it uses less digits than its factorization.

320323041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152992 (or 152989 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 320323041 is about 17897.5708128226. The cubic root of 320323041 is about 684.2204647387.

Subtracting from 320323041 its sum of digits (18), we obtain a palindrome (320323023).

Adding to 320323041 its reverse (140323023), we get a palindrome (460646064).

It can be divided in two parts, 3203 and 23041, that added together give a square (26244 = 162²).

The spelling of 320323041 in words is "three hundred twenty million, three hundred twenty-three thousand, forty-one".