80531323 has 2 divisors, whose sum is σ = 80531324. Its totient is φ = 80531322.

The previous prime is 80531299. The next prime is 80531369. The reversal of 80531323 is 32313508.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80531323 is a prime.

It is not a weakly prime, because it can be changed into another prime (80531393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40265661 + 40265662.

It is an arithmetic number, because the mean of its divisors is an integer number (40265662).

Almost surely, 2^80531323 is an apocalyptic number.

80531323 is a deficient number, since it is larger than the sum of its proper divisors (1).

80531323 is an equidigital number, since it uses as much as digits as its factorization.

80531323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 80531323 is about 8973.9246152394. The cubic root of 80531323 is about 431.8387511907.

The spelling of 80531323 in words is "eighty million, five hundred thirty-one thousand, three hundred twenty-three".