2023321 has 4 divisors (see below), whose sum is σ = 2027044. Its totient is φ = 2019600.

The previous prime is 2023313. The next prime is 2023337. The reversal of 2023321 is 1233202.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1792921 + 230400 = 1339^2 + 480^2 .

It is a cyclic number.

It is not a de Polignac number, because 2023321 - 2³ = 2023313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2023121) 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, 870 + ... + 2191.

It is an arithmetic number, because the mean of its divisors is an integer number (506761).

2^2023321 is an apocalyptic number.

It is an amenable number.

2023321 is a deficient number, since it is larger than the sum of its proper divisors (3723).

2023321 is an equidigital number, since it uses as much as digits as its factorization.

2023321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3722.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 2023321 is about 1422.4348842741. The cubic root of 2023321 is about 126.4799241160.

Adding to 2023321 its reverse (1233202), we get a palindrome (3256523).

The spelling of 2023321 in words is "two million, twenty-three thousand, three hundred twenty-one".