323424561 has 4 divisors (see below), whose sum is σ = 431232752. Its totient is φ = 215616372.

The previous prime is 323424557. The next prime is 323424583. The reversal of 323424561 is 165424323.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 323424561 - 2² = 323424557 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (323424161) 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, 53904091 + ... + 53904096.

It is an arithmetic number, because the mean of its divisors is an integer number (107808188).

Almost surely, 2^323424561 is an apocalyptic number.

It is an amenable number.

323424561 is a deficient number, since it is larger than the sum of its proper divisors (107808191).

323424561 is a wasteful number, since it uses less digits than its factorization.

323424561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107808190.

The product of its digits is 17280, while the sum is 30.

The square root of 323424561 is about 17984.0084797578. The cubic root of 323424561 is about 686.4216914748.

Adding to 323424561 its reverse (165424323), we get a palindrome (488848884).

The spelling of 323424561 in words is "three hundred twenty-three million, four hundred twenty-four thousand, five hundred sixty-one".