1323281842608 has 160 divisors (see below), whose sum is σ = 3825124819200. Its totient is φ = 390786872320.

The previous prime is 1323281842567. The next prime is 1323281842639. The reversal of 1323281842608 is 8062481823231.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4010935 + ... + 4328297.

It is an arithmetic number, because the mean of its divisors is an integer number (23907030120).

Almost surely, 2^{1323281842608} 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 1323281842608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1912562409600).

1323281842608 is an abundant number, since it is smaller than the sum of its proper divisors (2501842976592).

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

1323281842608 is a wasteful number, since it uses less digits than its factorization.

1323281842608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317587 (or 317581 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 48.

The spelling of 1323281842608 in words is "one trillion, three hundred twenty-three billion, two hundred eighty-one million, eight hundred forty-two thousand, six hundred eight".