1323345980 has 96 divisors (see below), whose sum is σ = 3237857280. Its totient is φ = 449568000.

The previous prime is 1323345913. The next prime is 1323346039. The reversal of 1323345980 is 895433231.

It is a congruent number.

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, 194435 + ... + 201125.

It is an arithmetic number, because the mean of its divisors is an integer number (33727680).

Almost surely, 2^1323345980 is an apocalyptic number.

1323345980 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 1323345980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1618928640).

1323345980 is an abundant number, since it is smaller than the sum of its proper divisors (1914511300).

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

1323345980 is a wasteful number, since it uses less digits than its factorization.

1323345980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6771 (or 6769 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 1323345980 is about 36377.8226396248. The cubic root of 1323345980 is about 1097.8873997978.

The spelling of 1323345980 in words is "one billion, three hundred twenty-three million, three hundred forty-five thousand, nine hundred eighty".