1323130016 has 96 divisors (see below), whose sum is σ = 2976559488. Its totient is φ = 574295040.

The previous prime is 1323129979. The next prime is 1323130049. The reversal of 1323130016 is 6100313231.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1323130016.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 582515 + ... + 584781.

It is an arithmetic number, because the mean of its divisors is an integer number (31005828).

Almost surely, 2^1323130016 is an apocalyptic number.

1323130016 is a gapful number since it is divisible by the number (16) 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 1323130016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1488279744).

1323130016 is an abundant number, since it is smaller than the sum of its proper divisors (1653429472).

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

1323130016 is a wasteful number, since it uses less digits than its factorization.

1323130016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2374 (or 2366 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 1323130016 is about 36374.8541715290. The cubic root of 1323130016 is about 1097.8276731510.

Adding to 1323130016 its reverse (6100313231), we get a palindrome (7423443247).

The spelling of 1323130016 in words is "one billion, three hundred twenty-three million, one hundred thirty thousand, sixteen".