243321332 has 24 divisors (see below), whose sum is σ = 430510080. Its totient is φ = 120324960.

The previous prime is 243321313. The next prime is 243321341. The reversal of 243321332 is 233123342.

243321332 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 243321298 and 243321307.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 233669 + ... + 234707.

It is an arithmetic number, because the mean of its divisors is an integer number (17937920).

Almost surely, 2^243321332 is an apocalyptic number.

It is an amenable number.

243321332 is a deficient number, since it is larger than the sum of its proper divisors (187188748).

243321332 is a wasteful number, since it uses less digits than its factorization.

243321332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1631 (or 1629 counting only the distinct ones).

The product of its digits is 2592, while the sum is 23.

The square root of 243321332 is about 15598.7605917906. The cubic root of 243321332 is about 624.3000864596.

Adding to 243321332 its reverse (233123342), we get a palindrome (476444674).

The spelling of 243321332 in words is "two hundred forty-three million, three hundred twenty-one thousand, three hundred thirty-two".