20324323 has 2 divisors, whose sum is σ = 20324324. Its totient is φ = 20324322.

The previous prime is 20324267. The next prime is 20324327. The reversal of 20324323 is 32342302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20324323 - 2⁹ = 20323811 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20324323.

It is not a weakly prime, because it can be changed into another prime (20324327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10162161 + 10162162.

It is an arithmetic number, because the mean of its divisors is an integer number (10162162).

Almost surely, 2^20324323 is an apocalyptic number.

20324323 is a deficient number, since it is larger than the sum of its proper divisors (1).

20324323 is an equidigital number, since it uses as much as digits as its factorization.

20324323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 19.

The square root of 20324323 is about 4508.2505476071. The cubic root of 20324323 is about 272.9011480898.

Adding to 20324323 its reverse (32342302), we get a palindrome (52666625).

It can be divided in two parts, 2032 and 4323, that multiplied together give a triangular number (8784336 = T₄₁₉₁).

The spelling of 20324323 in words is "twenty million, three hundred twenty-four thousand, three hundred twenty-three".