243120335343 has 16 divisors (see below), whose sum is σ = 324481528800. Its totient is φ = 161919766400.

The previous prime is 243120335279. The next prime is 243120335459. The reversal of 243120335343 is 343533021342.

It is a cyclic number.

It is not a de Polignac number, because 243120335343 - 2⁶ = 243120335279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243120335543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14906293 + ... + 14922593.

It is an arithmetic number, because the mean of its divisors is an integer number (20280095550).

Almost surely, 2^243120335343 is an apocalyptic number.

243120335343 is a deficient number, since it is larger than the sum of its proper divisors (81361193457).

243120335343 is a wasteful number, since it uses less digits than its factorization.

243120335343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20922.

The product of its (nonzero) digits is 77760, while the sum is 33.

Adding to 243120335343 its reverse (343533021342), we get a palindrome (586653356685).

The spelling of 243120335343 in words is "two hundred forty-three billion, one hundred twenty million, three hundred thirty-five thousand, three hundred forty-three".