343215223 has 16 divisors (see below), whose sum is σ = 395107776. Its totient is φ = 295637760.

The previous prime is 343215163. The next prime is 343215241. The reversal of 343215223 is 322512343.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-343215223 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 (343215253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1740 + ... + 26257.

It is an arithmetic number, because the mean of its divisors is an integer number (24694236).

Almost surely, 2^343215223 is an apocalyptic number.

343215223 is a deficient number, since it is larger than the sum of its proper divisors (51892553).

343215223 is a wasteful number, since it uses less digits than its factorization.

343215223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28074.

The product of its digits is 4320, while the sum is 25.

The square root of 343215223 is about 18526.0687411010. The cubic root of 343215223 is about 700.1463795920.

Adding to 343215223 its reverse (322512343), we get a palindrome (665727566).

The spelling of 343215223 in words is "three hundred forty-three million, two hundred fifteen thousand, two hundred twenty-three".