323128806 has 192 divisors, whose sum is σ = 899480064. Its totient is φ = 75271680.

The previous prime is 323128777. The next prime is 323128849. The reversal of 323128806 is 608821323.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4426386 + ... + 4426458.

It is an arithmetic number, because the mean of its divisors is an integer number (4684792).

Almost surely, 2^323128806 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 323128806, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (449740032).

323128806 is an abundant number, since it is smaller than the sum of its proper divisors (576351258).

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

323128806 is a wasteful number, since it uses less digits than its factorization.

323128806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187 (or 176 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 323128806 is about 17975.7838772055. The cubic root of 323128806 is about 686.2123953103.

The spelling of 323128806 in words is "three hundred twenty-three million, one hundred twenty-eight thousand, eight hundred six".