343223316 has 36 divisors (see below), whose sum is σ = 868687092. Its totient is φ = 114263424.

The previous prime is 343223311. The next prime is 343223327. The reversal of 343223316 is 613322343.

It is a happy number.

343223316 is a `hidden beast` number, since 3 + 4 + 322 + 331 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 151290000 + 191933316 = 12300^2 + 13854^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 343223316.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343223311) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25120 + ... + 36296.

It is an arithmetic number, because the mean of its divisors is an integer number (24130197).

Almost surely, 2^343223316 is an apocalyptic number.

343223316 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

343223316 is an abundant number, since it is smaller than the sum of its proper divisors (525463776).

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

343223316 is a wasteful number, since it uses less digits than its factorization.

343223316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12040 (or 12035 counting only the distinct ones).

The product of its digits is 7776, while the sum is 27.

The square root of 343223316 is about 18526.2871617602. The cubic root of 343223316 is about 700.1518826891.

Adding to 343223316 its reverse (613322343), we get a palindrome (956545659).

The spelling of 343223316 in words is "three hundred forty-three million, two hundred twenty-three thousand, three hundred sixteen".