243404342 has 4 divisors (see below), whose sum is σ = 365106516. Its totient is φ = 121702170.

The previous prime is 243404339. The next prime is 243404363.

243404342 is nontrivially palindromic in base 10.

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

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, 60851084 + ... + 60851087.

It is an arithmetic number, because the mean of its divisors is an integer number (91276629).

Almost surely, 2^243404342 is an apocalyptic number.

243404342 is a deficient number, since it is larger than the sum of its proper divisors (121702174).

243404342 is a wasteful number, since it uses less digits than its factorization.

243404342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121702173.

The product of its (nonzero) digits is 9216, while the sum is 26.

The square root of 243404342 is about 15601.4211532155. The cubic root of 243404342 is about 624.3710725060.

It can be divided in two parts, 24340 and 4342, that added together give a palindrome (28682).

The spelling of 243404342 in words is "two hundred forty-three million, four hundred four thousand, three hundred forty-two".