343424173 has 2 divisors, whose sum is σ = 343424174. Its totient is φ = 343424172.

The previous prime is 343424149. The next prime is 343424189. The reversal of 343424173 is 371424343.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 265755204 + 77668969 = 16302^2 + 8813^2 .

It is an emirp because it is prime and its reverse (371424343) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 343424173 - 2⁵ = 343424141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (343424573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171712086 + 171712087.

It is an arithmetic number, because the mean of its divisors is an integer number (171712087).

Almost surely, 2^343424173 is an apocalyptic number.

It is an amenable number.

343424173 is a deficient number, since it is larger than the sum of its proper divisors (1).

343424173 is an equidigital number, since it uses as much as digits as its factorization.

343424173 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 31.

The square root of 343424173 is about 18531.7072338196. The cubic root of 343424173 is about 700.2884341959.

The spelling of 343424173 in words is "three hundred forty-three million, four hundred twenty-four thousand, one hundred seventy-three".