20231323 has 4 divisors (see below), whose sum is σ = 23121520. Its totient is φ = 17341128.

The previous prime is 20231303. The next prime is 20231339. The reversal of 20231323 is 32313202.

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

It is not a de Polignac number, because 20231323 - 2¹⁷ = 20100251 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20231297 and 20231306.

It is not an unprimeable number, because it can be changed into a prime (20231303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1445088 + ... + 1445101.

It is an arithmetic number, because the mean of its divisors is an integer number (5780380).

Almost surely, 2^20231323 is an apocalyptic number.

20231323 is a deficient number, since it is larger than the sum of its proper divisors (2890197).

20231323 is an equidigital number, since it uses as much as digits as its factorization.

20231323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2890196.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 20231323 is about 4497.9242990517. The cubic root of 20231323 is about 272.4842647256.

Adding to 20231323 its reverse (32313202), we get a palindrome (52544525).

The spelling of 20231323 in words is "twenty million, two hundred thirty-one thousand, three hundred twenty-three".