80291723 has 2 divisors, whose sum is σ = 80291724. Its totient is φ = 80291722.

The previous prime is 80291719. The next prime is 80291747. The reversal of 80291723 is 32719208.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80291723 - 2² = 80291719 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 80291723.

It is not a weakly prime, because it can be changed into another prime (80291753) 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 as a sum of consecutive naturals, namely, 40145861 + 40145862.

It is an arithmetic number, because the mean of its divisors is an integer number (40145862).

Almost surely, 2^80291723 is an apocalyptic number.

80291723 is a deficient number, since it is larger than the sum of its proper divisors (1).

80291723 is an equidigital number, since it uses as much as digits as its factorization.

80291723 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 80291723 is about 8960.5648817471. The cubic root of 80291723 is about 431.4100511294.

The spelling of 80291723 in words is "eighty million, two hundred ninety-one thousand, seven hundred twenty-three".