343000043 has 4 divisors (see below), whose sum is σ = 343616400. Its totient is φ = 342383688.

The previous prime is 343000039. The next prime is 343000061. The reversal of 343000043 is 340000343.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 340000343 = 31 ⋅10967753.

It is a cyclic number.

It is not a de Polignac number, because 343000043 - 2² = 343000039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 342999985 and 343000030.

It is not an unprimeable number, because it can be changed into a prime (343000003) 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, 307343 + ... + 308456.

It is an arithmetic number, because the mean of its divisors is an integer number (85904100).

Almost surely, 2^343000043 is an apocalyptic number.

343000043 is a deficient number, since it is larger than the sum of its proper divisors (616357).

343000043 is an equidigital number, since it uses as much as digits as its factorization.

343000043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616356.

The product of its (nonzero) digits is 432, while the sum is 17.

The square root of 343000043 is about 18520.2603383430. The cubic root of 343000043 is about 700.0000292517. Note that the first 4 decimals are identical.

Adding to 343000043 its reverse (340000343), we get a palindrome (683000386).

The spelling of 343000043 in words is "three hundred forty-three million, forty-three", and thus it is an aban number.