343421334343 has 2 divisors, whose sum is σ = 343421334344. Its totient is φ = 343421334342.

The previous prime is 343421334341. The next prime is 343421334353. The reversal of 343421334343 is 343433124343.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 343421334343 - 2¹ = 343421334341 is a prime.

Together with 343421334341, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (343421334341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171710667171 + 171710667172.

It is an arithmetic number, because the mean of its divisors is an integer number (171710667172).

Almost surely, 2^343421334343 is an apocalyptic number.

343421334343 is a deficient number, since it is larger than the sum of its proper divisors (1).

343421334343 is an equidigital number, since it uses as much as digits as its factorization.

343421334343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 373248, while the sum is 37.

Adding to 343421334343 its reverse (343433124343), we get a palindrome (686854458686).

It can be divided in two parts, 34342 and 1334343, that added together give a triangular number (1368685 = T₁₆₅₄).

The spelling of 343421334343 in words is "three hundred forty-three billion, four hundred twenty-one million, three hundred thirty-four thousand, three hundred forty-three".