1323996912 has 240 divisors, whose sum is σ = 4523400960. Its totient is φ = 353092608.

The previous prime is 1323996871. The next prime is 1323996953. The reversal of 1323996912 is 2196993231.

It is an interprime number because it is at equal distance from previous prime (1323996871) and next prime (1323996953).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1397623 + ... + 1398569.

It is an arithmetic number, because the mean of its divisors is an integer number (18847504).

Almost surely, 2^1323996912 is an apocalyptic number.

1323996912 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 1323996912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2261700480).

1323996912 is an abundant number, since it is smaller than the sum of its proper divisors (3199404048).

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

1323996912 is a wasteful number, since it uses less digits than its factorization.

1323996912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1060 (or 1051 counting only the distinct ones).

The product of its digits is 157464, while the sum is 45.

The square root of 1323996912 is about 36386.7683643382. The cubic root of 1323996912 is about 1098.0673811755.

The spelling of 1323996912 in words is "one billion, three hundred twenty-three million, nine hundred ninety-six thousand, nine hundred twelve".