2023320321 has 48 divisors (see below), whose sum is σ = 3283495488. Its totient is φ = 1189814400.

The previous prime is 2023320311. The next prime is 2023320349. The reversal of 2023320321 is 1230233202.

It is a happy number.

2023320321 is a `hidden beast` number, since 2 + 0 + 23 + 320 + 321 = 666.

It is not a de Polignac number, because 2023320321 - 2¹⁰ = 2023319297 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2023320294 and 2023320303.

It is not an unprimeable number, because it can be changed into a prime (2023320311) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2149711 + ... + 2150651.

It is an arithmetic number, because the mean of its divisors is an integer number (68406156).

Almost surely, 2^2023320321 is an apocalyptic number.

It is an amenable number.

2023320321 is a deficient number, since it is larger than the sum of its proper divisors (1260175167).

2023320321 is a wasteful number, since it uses less digits than its factorization.

2023320321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1582 (or 1579 counting only the distinct ones).

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

The square root of 2023320321 is about 44981.3330282685. Note that the first 3 decimals coincide. The cubic root of 2023320321 is about 1264.7990996763.

Adding to 2023320321 its reverse (1230233202), we get a palindrome (3253553523).

The spelling of 2023320321 in words is "two billion, twenty-three million, three hundred twenty thousand, three hundred twenty-one".