320023122 has 16 divisors (see below), whose sum is σ = 655657632. Its totient is φ = 104072480.

The previous prime is 320023117. The next prime is 320023153. The reversal of 320023122 is 221320023.

It is a super-2 number, since 2×320023122² = 204829597229253768, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 650208 + ... + 650699.

It is an arithmetic number, because the mean of its divisors is an integer number (40978602).

Almost surely, 2^320023122 is an apocalyptic number.

320023122 is an abundant number, since it is smaller than the sum of its proper divisors (335634510).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

320023122 is a wasteful number, since it uses less digits than its factorization.

320023122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1300953.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 320023122 is about 17889.1900878715. The cubic root of 320023122 is about 684.0068524672.

Adding to 320023122 its reverse (221320023), we get a palindrome (541343145).

The spelling of 320023122 in words is "three hundred twenty million, twenty-three thousand, one hundred twenty-two".