323648238 has 16 divisors (see below), whose sum is σ = 653706576. Its totient is φ = 106814400.

The previous prime is 323648209. The next prime is 323648239. The reversal of 323648238 is 832846323.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 323648196 and 323648205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323648239) 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, 266431 + ... + 267642.

It is an arithmetic number, because the mean of its divisors is an integer number (40856661).

Almost surely, 2^323648238 is an apocalyptic number.

323648238 is an abundant number, since it is smaller than the sum of its proper divisors (330058338).

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

323648238 is a wasteful number, since it uses less digits than its factorization.

323648238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534179.

The product of its digits is 165888, while the sum is 39.

The square root of 323648238 is about 17990.2261797900. The cubic root of 323648238 is about 686.5798956662.

The spelling of 323648238 in words is "three hundred twenty-three million, six hundred forty-eight thousand, two hundred thirty-eight".