1323340120 has 64 divisors (see below), whose sum is σ = 3146364000. Its totient is φ = 499534848.

The previous prime is 1323340099. The next prime is 1323340133. The reversal of 1323340120 is 210433231.

It is a super-2 number, since 2×1323340120² = 3502458146403228800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 201204 + ... + 207676.

Almost surely, 2^1323340120 is an apocalyptic number.

1323340120 is a gapful number since it is divisible by the number (10) 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 1323340120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1573182000).

1323340120 is an abundant number, since it is smaller than the sum of its proper divisors (1823023880).

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

1323340120 is a wasteful number, since it uses less digits than its factorization.

1323340120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6772 (or 6768 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 1323340120 is about 36377.7420959575. The cubic root of 1323340120 is about 1097.8857792516.

Adding to 1323340120 its reverse (210433231), we get a palindrome (1533773351).

The spelling of 1323340120 in words is "one billion, three hundred twenty-three million, three hundred forty thousand, one hundred twenty".