324216523 has 2 divisors, whose sum is σ = 324216524. Its totient is φ = 324216522.

The previous prime is 324216521. The next prime is 324216539. The reversal of 324216523 is 325612423.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 324216523 - 2¹ = 324216521 is a prime.

Together with 324216521, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 324216491 and 324216500.

It is not a weakly prime, because it can be changed into another prime (324216521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162108261 + 162108262.

It is an arithmetic number, because the mean of its divisors is an integer number (162108262).

Almost surely, 2^324216523 is an apocalyptic number.

324216523 is a deficient number, since it is larger than the sum of its proper divisors (1).

324216523 is an equidigital number, since it uses as much as digits as its factorization.

324216523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8640, while the sum is 28.

The square root of 324216523 is about 18006.0135232649. The cubic root of 324216523 is about 686.9815095874.

Adding to 324216523 its reverse (325612423), we get a palindrome (649828946).

The spelling of 324216523 in words is "three hundred twenty-four million, two hundred sixteen thousand, five hundred twenty-three".