80019003923 has 2 divisors, whose sum is σ = 80019003924. Its totient is φ = 80019003922.

The previous prime is 80019003907. The next prime is 80019003959. The reversal of 80019003923 is 32930091008.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80019003923 - 2⁴ = 80019003907 is a prime.

It is not a weakly prime, because it can be changed into another prime (80019003973) 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, 40009501961 + 40009501962.

It is an arithmetic number, because the mean of its divisors is an integer number (40009501962).

Almost surely, 2^80019003923 is an apocalyptic number.

80019003923 is a deficient number, since it is larger than the sum of its proper divisors (1).

80019003923 is an equidigital number, since it uses as much as digits as its factorization.

80019003923 is an odious number, because the sum of its binary digits is odd.

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

The spelling of 80019003923 in words is "eighty billion, nineteen million, three thousand, nine hundred twenty-three".