243342444243342 has 64 divisors (see below), whose sum is σ = 487731140709120. Its totient is φ = 80939995372800.

The previous prime is 243342444243323. The next prime is 243342444243461.

243342444243342 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×243342444243342² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 243342444243291 and 243342444243300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39179266617 + ... + 39179272827.

It is an arithmetic number, because the mean of its divisors is an integer number (7620799073580).

Almost surely, 2^{243342444243342} is an apocalyptic number.

243342444243342 is an abundant number, since it is smaller than the sum of its proper divisors (244388696465778).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

243342444243342 is a wasteful number, since it uses less digits than its factorization.

243342444243342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13089.

The product of its digits is 21233664, while the sum is 48.

The spelling of 243342444243342 in words is "two hundred forty-three trillion, three hundred forty-two billion, four hundred forty-four million, two hundred forty-three thousand, three hundred forty-two".