343323215346 has 32 divisors (see below), whose sum is σ = 704449658880. Its totient is φ = 111487766544.

The previous prime is 343323215311. The next prime is 343323215353. The reversal of 343323215346 is 643512323343.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1638406 + ... + 1836033.

It is an arithmetic number, because the mean of its divisors is an integer number (22014051840).

Almost surely, 2^343323215346 is an apocalyptic number.

343323215346 is an abundant number, since it is smaller than the sum of its proper divisors (361126443534).

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

343323215346 is a wasteful number, since it uses less digits than its factorization.

343323215346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3474870.

The product of its digits is 466560, while the sum is 39.

Adding to 343323215346 its reverse (643512323343), we get a palindrome (986835538689).

The spelling of 343323215346 in words is "three hundred forty-three billion, three hundred twenty-three million, two hundred fifteen thousand, three hundred forty-six".