320134343 has 4 divisors (see below), whose sum is σ = 326945760. Its totient is φ = 313322928.

The previous prime is 320134333. The next prime is 320134349. The reversal of 320134343 is 343431023.

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 320134343 - 2⁶ = 320134279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320134349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3405638 + ... + 3405731.

It is an arithmetic number, because the mean of its divisors is an integer number (81736440).

Almost surely, 2^320134343 is an apocalyptic number.

320134343 is a deficient number, since it is larger than the sum of its proper divisors (6811417).

320134343 is an equidigital number, since it uses as much as digits as its factorization.

320134343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6811416.

The product of its (nonzero) digits is 2592, while the sum is 23.

The square root of 320134343 is about 17892.2984269769. The cubic root of 320134343 is about 684.0860833200.

Adding to 320134343 its reverse (343431023), we get a palindrome (663565366).

The spelling of 320134343 in words is "three hundred twenty million, one hundred thirty-four thousand, three hundred forty-three".