80323560 has 96 divisors (see below), whose sum is σ = 262211040. Its totient is φ = 21324672.

The previous prime is 80323549. The next prime is 80323561. The reversal of 80323560 is 6532308.

80323560 is a `hidden beast` number, since 80 + 3 + 23 + 560 = 666.

It is not an unprimeable number, because it can be changed into a prime (80323561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 124599 + ... + 125241.

It is an arithmetic number, because the mean of its divisors is an integer number (2731365).

Almost surely, 2^80323560 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 80323560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131105520).

80323560 is an abundant number, since it is smaller than the sum of its proper divisors (181887480).

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

80323560 is a wasteful number, since it uses less digits than its factorization.

80323560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1007 (or 1000 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 80323560 is about 8962.3412119825. The cubic root of 80323560 is about 431.4670640083.

Adding to 80323560 its reverse (6532308), we get a palindrome (86855868).

The spelling of 80323560 in words is "eighty million, three hundred twenty-three thousand, five hundred sixty".