323308668144 has 480 divisors, whose sum is σ = 1084013618688. Its totient is φ = 81217382400.

The previous prime is 323308668143. The next prime is 323308668157. The reversal of 323308668144 is 441866803323.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 323308668093 and 323308668102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323308668143) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 296341039 + ... + 296342129.

Almost surely, 2^323308668144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 323308668144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (542006809344).

323308668144 is an abundant number, since it is smaller than the sum of its proper divisors (760704950544).

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

323308668144 is a wasteful number, since it uses less digits than its factorization.

323308668144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1365 (or 1348 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 48.

The spelling of 323308668144 in words is "three hundred twenty-three billion, three hundred eight million, six hundred sixty-eight thousand, one hundred forty-four".