343005427 has 2 divisors, whose sum is σ = 343005428. Its totient is φ = 343005426.

The previous prime is 343005401. The next prime is 343005433. The reversal of 343005427 is 724500343.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 343005427 - 2¹¹ = 343003379 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 343005395 and 343005404.

It is not a weakly prime, because it can be changed into another prime (343005437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171502713 + 171502714.

It is an arithmetic number, because the mean of its divisors is an integer number (171502714).

Almost surely, 2^343005427 is an apocalyptic number.

343005427 is a deficient number, since it is larger than the sum of its proper divisors (1).

343005427 is an equidigital number, since it uses as much as digits as its factorization.

343005427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 28.

The square root of 343005427 is about 18520.4056921008. The cubic root of 343005427 is about 700.0036918173.

The spelling of 343005427 in words is "three hundred forty-three million, five thousand, four hundred twenty-seven".