1323159488 has 112 divisors (see below), whose sum is σ = 3085551360. Its totient is φ = 551276544.

The previous prime is 1323159437. The next prime is 1323159491. The reversal of 1323159488 is 8849513231.

It is a tau number, because it is divible by the number of its divisors (112).

It is a congruent number.

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, 2986595 + ... + 2987037.

Almost surely, 2^1323159488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1323159488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1542775680).

1323159488 is an abundant number, since it is smaller than the sum of its proper divisors (1762391872).

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

1323159488 is a wasteful number, since it uses less digits than its factorization.

1323159488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634 (or 624 counting only the distinct ones).

The product of its digits is 207360, while the sum is 44.

The square root of 1323159488 is about 36375.2592842993. The cubic root of 1323159488 is about 1097.8358242615.

The spelling of 1323159488 in words is "one billion, three hundred twenty-three million, one hundred fifty-nine thousand, four hundred eighty-eight".