243320134422 has 16 divisors (see below), whose sum is σ = 486947704320. Its totient is φ = 81055472232.

The previous prime is 243320134403. The next prime is 243320134423. The reversal of 243320134422 is 224431023342.

It is a self number, because there is not a number n which added to its sum of digits gives 243320134422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243320134423) 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, 12799522 + ... + 12818517.

It is an arithmetic number, because the mean of its divisors is an integer number (30434231520).

Almost surely, 2^243320134422 is an apocalyptic number.

243320134422 is an abundant number, since it is smaller than the sum of its proper divisors (243627569898).

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

243320134422 is a wasteful number, since it uses less digits than its factorization.

243320134422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25619627.

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 243320134422 its reverse (224431023342), we get a palindrome (467751157764).

The spelling of 243320134422 in words is "two hundred forty-three billion, three hundred twenty million, one hundred thirty-four thousand, four hundred twenty-two".