343421147 has 2 divisors, whose sum is σ = 343421148. Its totient is φ = 343421146.

The previous prime is 343421129. The next prime is 343421149. The reversal of 343421147 is 741124343.

It is a strong prime.

It is an emirp because it is prime and its reverse (741124343) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 343421147 - 2⁶ = 343421083 is a prime.

Together with 343421149, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (343421149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171710573 + 171710574.

It is an arithmetic number, because the mean of its divisors is an integer number (171710574).

Almost surely, 2^343421147 is an apocalyptic number.

343421147 is a deficient number, since it is larger than the sum of its proper divisors (1).

343421147 is an equidigital number, since it uses as much as digits as its factorization.

343421147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8064, while the sum is 29.

The square root of 343421147 is about 18531.6255897857. The cubic root of 343421147 is about 700.2863773818.

The spelling of 343421147 in words is "three hundred forty-three million, four hundred twenty-one thousand, one hundred forty-seven".