323664988374 has 480 divisors, whose sum is σ = 930919540320. Its totient is φ = 83784564864.

The previous prime is 323664988373. The next prime is 323664988397. The reversal of 323664988374 is 473889466323.

323664988374 is a `hidden beast` number, since 3 + 2 + 3 + 66 + 498 + 83 + 7 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323664988373) by changing a digit.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 1168465524 + ... + 1168465800.

It is an arithmetic number, because the mean of its divisors is an integer number (1939415709).

Almost surely, 2^323664988374 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 323664988374, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (465459770160).

323664988374 is an abundant number, since it is smaller than the sum of its proper divisors (607254551946).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

323664988374 is a wasteful number, since it uses less digits than its factorization.

323664988374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411 (or 369 counting only the distinct ones).

The product of its digits is 125411328, while the sum is 63.

The spelling of 323664988374 in words is "three hundred twenty-three billion, six hundred sixty-four million, nine hundred eighty-eight thousand, three hundred seventy-four".