343420027 has 2 divisors, whose sum is σ = 343420028. Its totient is φ = 343420026.

The previous prime is 343419997. The next prime is 343420039. The reversal of 343420027 is 720024343.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 343420027 - 2⁷ = 343419899 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 343419983 and 343420010.

It is not a weakly prime, because it can be changed into another prime (343420067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171710013 + 171710014.

It is an arithmetic number, because the mean of its divisors is an integer number (171710014).

Almost surely, 2^343420027 is an apocalyptic number.

343420027 is a deficient number, since it is larger than the sum of its proper divisors (1).

343420027 is an equidigital number, since it uses as much as digits as its factorization.

343420027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 25.

The square root of 343420027 is about 18531.5953711492. The cubic root of 343420027 is about 700.2856160993.

The spelling of 343420027 in words is "three hundred forty-three million, four hundred twenty thousand, twenty-seven".