243323646323342 has 16 divisors (see below), whose sum is σ = 396061742582352. Its totient is φ = 111445944879360.

The previous prime is 243323646323323. The next prime is 243323646323423.

It is a happy number.

243323646323342 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 35719850723 + ... + 35719857534.

It is an arithmetic number, because the mean of its divisors is an integer number (24753858911397).

Almost surely, 2^{243323646323342} is an apocalyptic number.

243323646323342 is a deficient number, since it is larger than the sum of its proper divisors (152738096259010).

243323646323342 is a wasteful number, since it uses less digits than its factorization.

243323646323342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71439708403.

The product of its digits is 26873856, while the sum is 50.

The spelling of 243323646323342 in words is "two hundred forty-three trillion, three hundred twenty-three billion, six hundred forty-six million, three hundred twenty-three thousand, three hundred forty-two".