80623321 has 2 divisors, whose sum is σ = 80623322. Its totient is φ = 80623320.

The previous prime is 80623297. The next prime is 80623331. The reversal of 80623321 is 12332608.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76317696 + 4305625 = 8736^2 + 2075^2 .

It is a cyclic number.

It is not a de Polignac number, because 80623321 - 2⁹ = 80622809 is a prime.

It is not a weakly prime, because it can be changed into another prime (80623331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40311660 + 40311661.

It is an arithmetic number, because the mean of its divisors is an integer number (40311661).

Almost surely, 2^80623321 is an apocalyptic number.

It is an amenable number.

80623321 is a deficient number, since it is larger than the sum of its proper divisors (1).

80623321 is an equidigital number, since it uses as much as digits as its factorization.

80623321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 80623321 is about 8979.0490030960. The cubic root of 80623321 is about 432.0031310501.

Adding to 80623321 its reverse (12332608), we get a palindrome (92955929).

The spelling of 80623321 in words is "eighty million, six hundred twenty-three thousand, three hundred twenty-one".