2023321320 has 96 divisors (see below), whose sum is σ = 6753562920. Its totient is φ = 524966400.

The previous prime is 2023321301. The next prime is 2023321367. The reversal of 2023321320 is 231233202.

It is a happy number.

2023321320 is a `hidden beast` number, since 2 + 0 + 23 + 321 + 320 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1488879396 + 534441924 = 38586^2 + 23118^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2023321293 and 2023321302.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 62631 + ... + 89270.

Almost surely, 2^2023321320 is an apocalyptic number.

2023321320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2023321320 is an abundant number, since it is smaller than the sum of its proper divisors (4730241600).

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

2023321320 is a wasteful number, since it uses less digits than its factorization.

2023321320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151955 (or 151948 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 2023321320 is about 44981.3441328736. The cubic root of 2023321320 is about 1264.7993078381.

Adding to 2023321320 its reverse (231233202), we get a palindrome (2254554522).

The spelling of 2023321320 in words is "two billion, twenty-three million, three hundred twenty-one thousand, three hundred twenty".