243321342 has 32 divisors (see below), whose sum is σ = 531999360. Its totient is φ = 73578720.

The previous prime is 243321341. The next prime is 243321349. The reversal of 243321342 is 243123342.

243321342 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243321341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29973 + ... + 37215.

It is an arithmetic number, because the mean of its divisors is an integer number (16624980).

Almost surely, 2^243321342 is an apocalyptic number.

243321342 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

243321342 is an abundant number, since it is smaller than the sum of its proper divisors (288678018).

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

243321342 is a wasteful number, since it uses less digits than its factorization.

243321342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7768.

The product of its digits is 3456, while the sum is 24.

The square root of 243321342 is about 15598.7609123289. The cubic root of 243321342 is about 624.3000950121.

Adding to 243321342 its reverse (243123342), we get a palindrome (486444684).

The spelling of 243321342 in words is "two hundred forty-three million, three hundred twenty-one thousand, three hundred forty-two".