1323830052 has 72 divisors (see below), whose sum is σ = 3601378872. Its totient is φ = 408499200.

The previous prime is 1323830051. The next prime is 1323830087. The reversal of 1323830052 is 2500383231.

It can be written as a sum of positive squares in 4 ways, for example, as 45481536 + 1278348516 = 6744^2 + 35754^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1323829998 and 1323830025.

It is not an unprimeable number, because it can be changed into a prime (1323830051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19602 + ... + 55062.

It is an arithmetic number, because the mean of its divisors is an integer number (50019151).

Almost surely, 2^1323830052 is an apocalyptic number.

1323830052 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 1323830052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1800689436).

1323830052 is an abundant number, since it is smaller than the sum of its proper divisors (2277548820).

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

1323830052 is a wasteful number, since it uses less digits than its factorization.

1323830052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35549 (or 35544 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 1323830052 is about 36384.4754256537. The cubic root of 1323830052 is about 1098.0212503477.

The spelling of 1323830052 in words is "one billion, three hundred twenty-three million, eight hundred thirty thousand, fifty-two".