323240 has 16 divisors (see below), whose sum is σ = 727380. Its totient is φ = 129280.

The previous prime is 323233. The next prime is 323243. The reversal of 323240 is 42323.

It can be written as a sum of positive squares in 2 ways, for example, as 315844 + 7396 = 562^2 + 86^2 .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 323240.

It is not an unprimeable number, because it can be changed into a prime (323243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4001 + ... + 4080.

2³²³²⁴⁰ is an apocalyptic number.

It is an amenable number.

323240 is an abundant number, since it is smaller than the sum of its proper divisors (404140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

323240 is a wasteful number, since it uses less digits than its factorization.

323240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8092 (or 8088 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 14.

The square root of 323240 is about 568.5419949309. The cubic root of 323240 is about 68.6291098652.

Adding to 323240 its reverse (42323), we get a palindrome (365563).

The spelling of 323240 in words is "three hundred twenty-three thousand, two hundred forty", and thus it is an iban number.