80319923 has 2 divisors, whose sum is σ = 80319924. Its totient is φ = 80319922.

The previous prime is 80319913. The next prime is 80319959. The reversal of 80319923 is 32991308.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80319923 - 2¹² = 80315827 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (80319913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40159961 + 40159962.

It is an arithmetic number, because the mean of its divisors is an integer number (40159962).

Almost surely, 2^80319923 is an apocalyptic number.

80319923 is a deficient number, since it is larger than the sum of its proper divisors (1).

80319923 is an equidigital number, since it uses as much as digits as its factorization.

80319923 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 80319923 is about 8962.1383051145. The cubic root of 80319923 is about 431.4605517247.

The spelling of 80319923 in words is "eighty million, three hundred nineteen thousand, nine hundred twenty-three".