323305668 has 168 divisors, whose sum is σ = 993038592. Its totient is φ = 90139392.

The previous prime is 323305649. The next prime is 323305681. The reversal of 323305668 is 866503323.

It is a happy number.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 959196 + ... + 959532.

It is an arithmetic number, because the mean of its divisors is an integer number (5910944).

Almost surely, 2^323305668 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 323305668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (496519296).

323305668 is an abundant number, since it is smaller than the sum of its proper divisors (669732924).

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

323305668 is a wasteful number, since it uses less digits than its factorization.

323305668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413 (or 396 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

The square root of 323305668 is about 17980.7026559031. The cubic root of 323305668 is about 686.3375701203.

The spelling of 323305668 in words is "three hundred twenty-three million, three hundred five thousand, six hundred sixty-eight".