80118823 has 2 divisors, whose sum is σ = 80118824. Its totient is φ = 80118822.

The previous prime is 80118809. The next prime is 80118853. The reversal of 80118823 is 32881108.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80118823 - 2¹⁷ = 79987751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80118853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40059411 + 40059412.

It is an arithmetic number, because the mean of its divisors is an integer number (40059412).

Almost surely, 2^80118823 is an apocalyptic number.

80118823 is a deficient number, since it is larger than the sum of its proper divisors (1).

80118823 is an equidigital number, since it uses as much as digits as its factorization.

80118823 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3072, while the sum is 31.

The square root of 80118823 is about 8950.9118529902. The cubic root of 80118823 is about 431.1001628021.

The spelling of 80118823 in words is "eighty million, one hundred eighteen thousand, eight hundred twenty-three".