243323322 has 48 divisors (see below), whose sum is σ = 545825952. Its totient is φ = 71714880.

The previous prime is 243323317. The next prime is 243323341. The reversal of 243323322 is 223323342.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 243323292 and 243323301.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 89008 + ... + 91700.

It is an arithmetic number, because the mean of its divisors is an integer number (11371374).

Almost surely, 2^243323322 is an apocalyptic number.

243323322 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 243323322, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (272912976).

243323322 is an abundant number, since it is smaller than the sum of its proper divisors (302502630).

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

243323322 is a wasteful number, since it uses less digits than its factorization.

243323322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2783 (or 2746 counting only the distinct ones).

The product of its digits is 5184, while the sum is 24.

The square root of 243323322 is about 15598.8243787793. The cubic root of 243323322 is about 624.3017883980.

Adding to 243323322 its reverse (223323342), we get a palindrome (466646664).

The spelling of 243323322 in words is "two hundred forty-three million, three hundred twenty-three thousand, three hundred twenty-two".