20324023 has 2 divisors, whose sum is σ = 20324024. Its totient is φ = 20324022.

The previous prime is 20324021. The next prime is 20324033. The reversal of 20324023 is 32042302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20324023 - 2¹ = 20324021 is a prime.

Together with 20324021, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 20323988 and 20324006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20324021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10162011 + 10162012.

It is an arithmetic number, because the mean of its divisors is an integer number (10162012).

Almost surely, 2^20324023 is an apocalyptic number.

20324023 is a deficient number, since it is larger than the sum of its proper divisors (1).

20324023 is an equidigital number, since it uses as much as digits as its factorization.

20324023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 20324023 is about 4508.2172751543. The cubic root of 20324023 is about 272.8998053513.

Adding to 20324023 its reverse (32042302), we get a palindrome (52366325).

The spelling of 20324023 in words is "twenty million, three hundred twenty-four thousand, twenty-three".