320006343 has 4 divisors (see below), whose sum is σ = 426675128. Its totient is φ = 213337560.

The previous prime is 320006339. The next prime is 320006347. The reversal of 320006343 is 343600023.

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

It is an interprime number because it is at equal distance from previous prime (320006339) and next prime (320006347).

It is not a de Polignac number, because 320006343 - 2² = 320006339 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 (320006347) 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, 53334388 + ... + 53334393.

It is an arithmetic number, because the mean of its divisors is an integer number (106668782).

Almost surely, 2^320006343 is an apocalyptic number.

320006343 is a deficient number, since it is larger than the sum of its proper divisors (106668785).

320006343 is a wasteful number, since it uses less digits than its factorization.

320006343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106668784.

The product of its (nonzero) digits is 1296, while the sum is 21.

The square root of 320006343 is about 17888.7211113595. The cubic root of 320006343 is about 683.9948979647.

Adding to 320006343 its reverse (343600023), we get a palindrome (663606366).

The spelling of 320006343 in words is "three hundred twenty million, six thousand, three hundred forty-three".