343420343 has 4 divisors (see below), whose sum is σ = 392480400. Its totient is φ = 294360288.

The previous prime is 343420339. The next prime is 343420351. The reversal of 343420343 is 343024343.

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 343420343 - 2² = 343420339 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 (343420313) 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, 24530018 + ... + 24530031.

It is an arithmetic number, because the mean of its divisors is an integer number (98120100).

Almost surely, 2^343420343 is an apocalyptic number.

343420343 is a deficient number, since it is larger than the sum of its proper divisors (49060057).

343420343 is an equidigital number, since it uses as much as digits as its factorization.

343420343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49060056.

The product of its (nonzero) digits is 10368, while the sum is 26.

The square root of 343420343 is about 18531.6038971267. The cubic root of 343420343 is about 700.2858308899.

Adding to 343420343 its reverse (343024343), we get a palindrome (686444686).

The spelling of 343420343 in words is "three hundred forty-three million, four hundred twenty thousand, three hundred forty-three".