320242220323 has 4 divisors (see below), whose sum is σ = 320338018528. Its totient is φ = 320146422120.

The previous prime is 320242220317. The next prime is 320242220341. The reversal of 320242220323 is 323022242023.

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-320242220323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320242220923) 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, 47894088 + ... + 47900773.

It is an arithmetic number, because the mean of its divisors is an integer number (80084504632).

Almost surely, 2^320242220323 is an apocalyptic number.

320242220323 is a deficient number, since it is larger than the sum of its proper divisors (95798205).

320242220323 is an equidigital number, since it uses as much as digits as its factorization.

320242220323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95798204.

The product of its (nonzero) digits is 6912, while the sum is 25.

Adding to 320242220323 its reverse (323022242023), we get a palindrome (643264462346).

The spelling of 320242220323 in words is "three hundred twenty billion, two hundred forty-two million, two hundred twenty thousand, three hundred twenty-three".