320343835223 has 4 divisors (see below), whose sum is σ = 320372818320. Its totient is φ = 320314852128.

The previous prime is 320343835151. The next prime is 320343835237. The reversal of 320343835223 is 322538343023.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-320343835223 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 (320343835523) 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, 14474963 + ... + 14497076.

It is an arithmetic number, because the mean of its divisors is an integer number (80093204580).

Almost surely, 2^320343835223 is an apocalyptic number.

320343835223 is a deficient number, since it is larger than the sum of its proper divisors (28983097).

320343835223 is a wasteful number, since it uses less digits than its factorization.

320343835223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28983096.

The product of its (nonzero) digits is 311040, while the sum is 38.

The spelling of 320343835223 in words is "three hundred twenty billion, three hundred forty-three million, eight hundred thirty-five thousand, two hundred twenty-three".