323344645 has 16 divisors (see below), whose sum is σ = 418385520. Its totient is φ = 238477824.

The previous prime is 323344643. The next prime is 323344669. The reversal of 323344645 is 546443323.

It can be written as a sum of positive squares in 8 ways, for example, as 200533921 + 122810724 = 14161^2 + 11082^2 .

It is not a de Polignac number, because 323344645 - 2¹ = 323344643 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 323344645.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323344643) 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 15 ways as a sum of consecutive naturals, for example, 58251 + ... + 63559.

It is an arithmetic number, because the mean of its divisors is an integer number (26149095).

Almost surely, 2^323344645 is an apocalyptic number.

It is an amenable number.

323344645 is a deficient number, since it is larger than the sum of its proper divisors (95040875).

323344645 is a wasteful number, since it uses less digits than its factorization.

323344645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6264.

The product of its digits is 103680, while the sum is 34.

The square root of 323344645 is about 17981.7864796577. The cubic root of 323344645 is about 686.3651501137.

Adding to 323344645 its reverse (546443323), we get a palindrome (869787968).

The spelling of 323344645 in words is "three hundred twenty-three million, three hundred forty-four thousand, six hundred forty-five".