243343342 has 12 divisors (see below), whose sum is σ = 401215248. Its totient is φ = 110610500.

The previous prime is 243343337. The next prime is 243343349.

243343342 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 243343342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243343349) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 502534 + ... + 503017.

It is an arithmetic number, because the mean of its divisors is an integer number (33434604).

Almost surely, 2^243343342 is an apocalyptic number.

243343342 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

243343342 is a deficient number, since it is larger than the sum of its proper divisors (157871906).

243343342 is a wasteful number, since it uses less digits than its factorization.

243343342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1005575 (or 1005564 counting only the distinct ones).

The product of its digits is 20736, while the sum is 28.

The square root of 243343342 is about 15599.4660806067. The cubic root of 243343342 is about 624.3189098956.

The spelling of 243343342 in words is "two hundred forty-three million, three hundred forty-three thousand, three hundred forty-two".