343823479 has 2 divisors, whose sum is σ = 343823480. Its totient is φ = 343823478.

The previous prime is 343823477. The next prime is 343823497. The reversal of 343823479 is 974328343.

Together with next prime (343823497) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is an emirp because it is prime and its reverse (974328343) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 343823479 - 2¹ = 343823477 is a prime.

Together with 343823477, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (343823477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171911739 + 171911740.

It is an arithmetic number, because the mean of its divisors is an integer number (171911740).

Almost surely, 2^343823479 is an apocalyptic number.

343823479 is a deficient number, since it is larger than the sum of its proper divisors (1).

343823479 is an equidigital number, since it uses as much as digits as its factorization.

343823479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 435456, while the sum is 43.

The square root of 343823479 is about 18542.4776931240. The cubic root of 343823479 is about 700.5597420892.

The spelling of 343823479 in words is "three hundred forty-three million, eight hundred twenty-three thousand, four hundred seventy-nine".