347423 has 4 divisors (see below), whose sum is σ = 349008. Its totient is φ = 345840.

The previous prime is 347411. The next prime is 347437. The reversal of 347423 is 324743.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 347423 - 2⁶ = 347359 is a prime.

It is a d-powerful number, because it can be written as 3 + 4⁸ + 4⁹ + 7² + 2³ + 3⁹ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (347443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 398 + ... + 923.

It is an arithmetic number, because the mean of its divisors is an integer number (87252).

2³⁴⁷⁴²³ is an apocalyptic number.

347423 is a deficient number, since it is larger than the sum of its proper divisors (1585).

347423 is a wasteful number, since it uses less digits than its factorization.

347423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1584.

The product of its digits is 2016, while the sum is 23.

The square root of 347423 is about 589.4259919617. The cubic root of 347423 is about 70.2996002343.

The spelling of 347423 in words is "three hundred forty-seven thousand, four hundred twenty-three", and thus it is an iban number.