323964436945 has 8 divisors (see below), whose sum is σ = 411625402344. Its totient is φ = 243926164224.

The previous prime is 323964436909. The next prime is 323964436951. The reversal of 323964436945 is 549634469323.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 72614619841 + 251349817104 = 269471^2 + 501348^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 323964436945 - 2¹¹ = 323964434897 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 323964436945.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1905673074 + ... + 1905673243.

It is an arithmetic number, because the mean of its divisors is an integer number (51453175293).

Almost surely, 2^323964436945 is an apocalyptic number.

It is an amenable number.

323964436945 is a deficient number, since it is larger than the sum of its proper divisors (87660965399).

323964436945 is a wasteful number, since it uses less digits than its factorization.

323964436945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3811346339.

The product of its digits is 50388480, while the sum is 58.

The spelling of 323964436945 in words is "three hundred twenty-three billion, nine hundred sixty-four million, four hundred thirty-six thousand, nine hundred forty-five".