243423343324342 has 4 divisors (see below), whose sum is σ = 365135014986516. Its totient is φ = 121711671662170.

The previous prime is 243423343324339. The next prime is 243423343324379.

243423343324342 is nontrivially palindromic in base 10.

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

It is a junction number, because it is equal to n+sod(n) for n = 243423343324292 and 243423343324301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60855835831084 + ... + 60855835831087.

It is an arithmetic number, because the mean of its divisors is an integer number (91283753746629).

Almost surely, 2^{243423343324342} is an apocalyptic number.

243423343324342 is a deficient number, since it is larger than the sum of its proper divisors (121711671662174).

243423343324342 is a wasteful number, since it uses less digits than its factorization.

243423343324342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121711671662173.

The product of its digits is 11943936, while the sum is 46.

The spelling of 243423343324342 in words is "two hundred forty-three trillion, four hundred twenty-three billion, three hundred forty-three million, three hundred twenty-four thousand, three hundred forty-two".