343643243 has 4 divisors (see below), whose sum is σ = 355493040. Its totient is φ = 331793448.

The previous prime is 343643239. The next prime is 343643249. The reversal of 343643243 is 342346343.

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

It is a cyclic number.

It is not a de Polignac number, because 343643243 - 2² = 343643239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (343643249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5924855 + ... + 5924912.

It is an arithmetic number, because the mean of its divisors is an integer number (88873260).

Almost surely, 2^343643243 is an apocalyptic number.

343643243 is a deficient number, since it is larger than the sum of its proper divisors (11849797).

343643243 is a wasteful number, since it uses less digits than its factorization.

343643243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11849796.

The product of its digits is 62208, while the sum is 32.

The square root of 343643243 is about 18537.6169719843. The cubic root of 343643243 is about 700.4373070189.

Adding to 343643243 its reverse (342346343), we get a palindrome (685989586).

The spelling of 343643243 in words is "three hundred forty-three million, six hundred forty-three thousand, two hundred forty-three".