323921408445 has 12 divisors (see below), whose sum is σ = 561463774716. Its totient is φ = 172758084480.

The previous prime is 323921408423. The next prime is 323921408501. The reversal of 323921408445 is 544804129323.

323921408445 is a `hidden beast` number, since 3 + 2 + 392 + 140 + 84 + 45 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 36585743076 + 287335665369 = 191274^2 + 536037^2 .

It is not a de Polignac number, because 323921408445 - 2⁵ = 323921408413 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 7198253521 = 323921408445 / (3 + 2 + 3 + 9 + 2 + 1 + 4 + 0 + 8 + 4 + 4 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 323921408445.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3599126716 + ... + 3599126805.

It is an arithmetic number, because the mean of its divisors is an integer number (46788647893).

Almost surely, 2^323921408445 is an apocalyptic number.

It is an amenable number.

323921408445 is a deficient number, since it is larger than the sum of its proper divisors (237542366271).

323921408445 is a wasteful number, since it uses less digits than its factorization.

323921408445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7198253532 (or 7198253529 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 45.

The spelling of 323921408445 in words is "three hundred twenty-three billion, nine hundred twenty-one million, four hundred eight thousand, four hundred forty-five".