42300019 has 2 divisors, whose sum is σ = 42300020. Its totient is φ = 42300018.

The previous prime is 42300001. The next prime is 42300091. The reversal of 42300019 is 91000324.

42300019 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (42300091) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42300019 - 2⁷ = 42299891 is a prime.

It is a super-2 number, since 2×42300019² = 3578583214800722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42299969 and 42300005.

It is not a weakly prime, because it can be changed into another prime (42307019) 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, 21150009 + 21150010.

It is an arithmetic number, because the mean of its divisors is an integer number (21150010).

Almost surely, 2^42300019 is an apocalyptic number.

42300019 is a deficient number, since it is larger than the sum of its proper divisors (1).

42300019 is an equidigital number, since it uses as much as digits as its factorization.

42300019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 42300019 is about 6503.8464772779. The cubic root of 42300019 is about 348.4283792943.

The spelling of 42300019 in words is "forty-two million, three hundred thousand, nineteen".