423005622019 has 2 divisors, whose sum is σ = 423005622020. Its totient is φ = 423005622018.

The previous prime is 423005622001. The next prime is 423005622059. The reversal of 423005622019 is 910226500324.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 423005622019 - 2⁷ = 423005621891 is a prime.

It is a super-2 number, since 2×423005622019² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (423005622059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211502811009 + 211502811010.

It is an arithmetic number, because the mean of its divisors is an integer number (211502811010).

Almost surely, 2^423005622019 is an apocalyptic number.

423005622019 is a deficient number, since it is larger than the sum of its proper divisors (1).

423005622019 is an equidigital number, since it uses as much as digits as its factorization.

423005622019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 34.

The spelling of 423005622019 in words is "four hundred twenty-three billion, five million, six hundred twenty-two thousand, nineteen".