343021443 has 8 divisors (see below), whose sum is σ = 458135568. Its totient is φ = 228294144.

The previous prime is 343021433. The next prime is 343021453. The reversal of 343021443 is 344120343.

It is an interprime number because it is at equal distance from previous prime (343021433) and next prime (343021453).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 343021443 - 2⁵ = 343021411 is a prime.

It is not an unprimeable number, because it can be changed into a prime (343021423) 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 7 ways as a sum of consecutive naturals, for example, 94630 + ... + 98187.

It is an arithmetic number, because the mean of its divisors is an integer number (57266946).

Almost surely, 2^343021443 is an apocalyptic number.

343021443 is a deficient number, since it is larger than the sum of its proper divisors (115114125).

343021443 is a wasteful number, since it uses less digits than its factorization.

343021443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193413.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 343021443 is about 18520.8380749900. The cubic root of 343021443 is about 700.0145867709.

Adding to 343021443 its reverse (344120343), we get a palindrome (687141786).

The spelling of 343021443 in words is "three hundred forty-three million, twenty-one thousand, four hundred forty-three".