214306343 has 4 divisors (see below), whose sum is σ = 214349088. Its totient is φ = 214263600.

The previous prime is 214306333. The next prime is 214306361. The reversal of 214306343 is 343603412.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-214306343 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 (214306333) 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 3 ways as a sum of consecutive naturals, for example, 12671 + ... + 24272.

It is an arithmetic number, because the mean of its divisors is an integer number (53587272).

Almost surely, 2^214306343 is an apocalyptic number.

214306343 is a deficient number, since it is larger than the sum of its proper divisors (42745).

214306343 is an equidigital number, since it uses as much as digits as its factorization.

214306343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42744.

The product of its (nonzero) digits is 5184, while the sum is 26.

The square root of 214306343 is about 14639.2056820034. The cubic root of 214306343 is about 598.4276823686.

Adding to 214306343 its reverse (343603412), we get a palindrome (557909755).

The spelling of 214306343 in words is "two hundred fourteen million, three hundred six thousand, three hundred forty-three".