323721604225 has 6 divisors (see below), whose sum is σ = 401414789270. Its totient is φ = 258977283360.

The previous prime is 323721604207. The next prime is 323721604247. The reversal of 323721604225 is 522406127323.

It can be written as a sum of positive squares in 3 ways, for example, as 7723597456 + 315998006769 = 87884^2 + 562137^2 .

It is not a de Polignac number, because 323721604225 - 2⁹ = 323721603713 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6474432060 + ... + 6474432109.

Almost surely, 2^323721604225 is an apocalyptic number.

It is an amenable number.

323721604225 is a deficient number, since it is larger than the sum of its proper divisors (77693185045).

323721604225 is a wasteful number, since it uses less digits than its factorization.

323721604225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12948864179 (or 12948864174 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 37.

The spelling of 323721604225 in words is "three hundred twenty-three billion, seven hundred twenty-one million, six hundred four thousand, two hundred twenty-five".