1001323332 has 72 divisors (see below), whose sum is σ = 2676492000. Its totient is φ = 314765568.

The previous prime is 1001323321. The next prime is 1001323333. The reversal of 1001323332 is 2333231001.

1001323332 is a `hidden beast` number, since 10 + 0 + 1 + 323 + 332 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1001323333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 152044 + ... + 158492.

It is an arithmetic number, because the mean of its divisors is an integer number (37173500).

Almost surely, 2^1001323332 is an apocalyptic number.

1001323332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1001323332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1338246000).

1001323332 is an abundant number, since it is smaller than the sum of its proper divisors (1675168668).

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

1001323332 is a wasteful number, since it uses less digits than its factorization.

1001323332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6705 (or 6700 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 1001323332 is about 31643.6934001074. The cubic root of 1001323332 is about 1000.4409162310.

Adding to 1001323332 its reverse (2333231001), we get a palindrome (3334554333).

The spelling of 1001323332 in words is "one billion, one million, three hundred twenty-three thousand, three hundred thirty-two".