243240323042342 has 16 divisors (see below), whose sum is σ = 365036348302080. Its totient is φ = 121561549966152.

The previous prime is 243240323042317. The next prime is 243240323042347.

243240323042342 is nontrivially palindromic in base 10.

243240323042342 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 243240323042296 and 243240323042305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243240323042347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47907503 + ... + 52740965.

It is an arithmetic number, because the mean of its divisors is an integer number (22814771768880).

Almost surely, 2^{243240323042342} is an apocalyptic number.

243240323042342 is a deficient number, since it is larger than the sum of its proper divisors (121796025259738).

243240323042342 is a wasteful number, since it uses less digits than its factorization.

243240323042342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4845587.

The product of its (nonzero) digits is 663552, while the sum is 38.

The spelling of 243240323042342 in words is "two hundred forty-three trillion, two hundred forty billion, three hundred twenty-three million, forty-two thousand, three hundred forty-two".