1323622080 has 448 divisors, whose sum is σ = 5369356800. Its totient is φ = 303575040.

The previous prime is 1323622007. The next prime is 1323622081. The reversal of 1323622080 is 802263231.

1323622080 is a `hidden beast` number, since 1 + 32 + 3 + 622 + 0 + 8 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1323622081) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1805394 + ... + 1806126.

Almost surely, 2^1323622080 is an apocalyptic number.

1323622080 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 1323622080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2684678400).

1323622080 is an abundant number, since it is smaller than the sum of its proper divisors (4045734720).

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

1323622080 is a wasteful number, since it uses less digits than its factorization.

1323622080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 789 (or 773 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 1323622080 is about 36381.6173362318. The cubic root of 1323622080 is about 1097.9637480939.

The spelling of 1323622080 in words is "one billion, three hundred twenty-three million, six hundred twenty-two thousand, eighty".