243365444563342 has 4 divisors (see below), whose sum is σ = 365048166845016. Its totient is φ = 121682722281670.

The previous prime is 243365444563333. The next prime is 243365444563391.

243365444563342 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60841361140834 + ... + 60841361140837.

It is an arithmetic number, because the mean of its divisors is an integer number (91262041711254).

Almost surely, 2^{243365444563342} is an apocalyptic number.

243365444563342 is a deficient number, since it is larger than the sum of its proper divisors (121682722281674).

243365444563342 is a wasteful number, since it uses less digits than its factorization.

243365444563342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121682722281673.

The product of its digits is 298598400, while the sum is 58.

The spelling of 243365444563342 in words is "two hundred forty-three trillion, three hundred sixty-five billion, four hundred forty-four million, five hundred sixty-three thousand, three hundred forty-two".