343204121 has 8 divisors (see below), whose sum is σ = 375869760. Its totient is φ = 311433552.

The previous prime is 343204073. The next prime is 343204133. The reversal of 343204121 is 121402343.

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

It is a cyclic number.

It is not a de Polignac number, because 343204121 - 2²⁶ = 276095257 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 343204093 and 343204102.

It is not an unprimeable number, because it can be changed into a prime (343204181) 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, 222965 + ... + 224498.

It is an arithmetic number, because the mean of its divisors is an integer number (46983720).

Almost surely, 2^343204121 is an apocalyptic number.

It is an amenable number.

343204121 is a deficient number, since it is larger than the sum of its proper divisors (32665639).

343204121 is a wasteful number, since it uses less digits than its factorization.

343204121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447535.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 343204121 is about 18525.7691068414. The cubic root of 343204121 is about 700.1388302872.

Adding to 343204121 its reverse (121402343), we get a palindrome (464606464).

The spelling of 343204121 in words is "three hundred forty-three million, two hundred four thousand, one hundred twenty-one".