343434424321 has 4 divisors (see below), whose sum is σ = 344274117700. Its totient is φ = 342594730944.

The previous prime is 343434424271. The next prime is 343434424343. The reversal of 343434424321 is 123424434343.

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

It can be written as a sum of positive squares in 2 ways, for example, as 174464100721 + 168970323600 = 417689^2 + 411060^2 .

It is a cyclic number.

It is not a de Polignac number, because 343434424321 - 2²⁷ = 343300206593 is a prime.

It is a super-2 number, since 2×343434424321² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (343434422321) 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, 419846076 + ... + 419846893.

It is an arithmetic number, because the mean of its divisors is an integer number (86068529425).

Almost surely, 2^343434424321 is an apocalyptic number.

It is an amenable number.

343434424321 is a deficient number, since it is larger than the sum of its proper divisors (839693379).

343434424321 is an equidigital number, since it uses as much as digits as its factorization.

343434424321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 839693378.

The product of its digits is 331776, while the sum is 37.

Adding to 343434424321 its reverse (123424434343), we get a palindrome (466858858664).

The spelling of 343434424321 in words is "three hundred forty-three billion, four hundred thirty-four million, four hundred twenty-four thousand, three hundred twenty-one".