243305443342 has 8 divisors (see below), whose sum is σ = 393031870056. Its totient is φ = 112294819992.

The previous prime is 243305443333. The next prime is 243305443349. The reversal of 243305443342 is 243344503342.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243305443349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4678950808 + ... + 4678950859.

It is an arithmetic number, because the mean of its divisors is an integer number (49128983757).

Almost surely, 2^243305443342 is an apocalyptic number.

243305443342 is a deficient number, since it is larger than the sum of its proper divisors (149726426714).

243305443342 is a wasteful number, since it uses less digits than its factorization.

243305443342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9357901682.

The product of its (nonzero) digits is 414720, while the sum is 37.

Adding to 243305443342 its reverse (243344503342), we get a palindrome (486649946684).

The spelling of 243305443342 in words is "two hundred forty-three billion, three hundred five million, four hundred forty-three thousand, three hundred forty-two".