323103121128 has 128 divisors (see below), whose sum is σ = 912589516800. Its totient is φ = 105906382848.

The previous prime is 323103121079. The next prime is 323103121129. The reversal of 323103121128 is 821121301323.

323103121128 is a `hidden beast` number, since 3 + 2 + 310 + 312 + 11 + 28 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (323103121129) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3047700 + ... + 3151932.

It is an arithmetic number, because the mean of its divisors is an integer number (7129605600).

Almost surely, 2^323103121128 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 323103121128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (456294758400).

323103121128 is an abundant number, since it is smaller than the sum of its proper divisors (589486395672).

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

323103121128 is a wasteful number, since it uses less digits than its factorization.

323103121128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104488 (or 104478 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The spelling of 323103121128 in words is "three hundred twenty-three billion, one hundred three million, one hundred twenty-one thousand, one hundred twenty-eight".