340443343 has 8 divisors (see below), whose sum is σ = 360967968. Its totient is φ = 319974144.

The previous prime is 340443331. The next prime is 340443359. The reversal of 340443343 is 343344043.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 340443343 - 2²¹ = 338346191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340743343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 846 + ... + 26107.

It is an arithmetic number, because the mean of its divisors is an integer number (45120996).

Almost surely, 2^340443343 is an apocalyptic number.

340443343 is a deficient number, since it is larger than the sum of its proper divisors (20524625).

340443343 is a wasteful number, since it uses less digits than its factorization.

340443343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27713.

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

The square root of 340443343 is about 18451.1068231692. The cubic root of 340443343 is about 698.2564382890.

Adding to 340443343 its reverse (343344043), we get a palindrome (683787386).

The spelling of 340443343 in words is "three hundred forty million, four hundred forty-three thousand, three hundred forty-three".