423021059 has 2 divisors, whose sum is σ = 423021060. Its totient is φ = 423021058.

The previous prime is 423021019. The next prime is 423021089. The reversal of 423021059 is 950120324.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 423021059 - 2⁸ = 423020803 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (423021019) 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, 211510529 + 211510530.

It is an arithmetic number, because the mean of its divisors is an integer number (211510530).

Almost surely, 2^423021059 is an apocalyptic number.

423021059 is a deficient number, since it is larger than the sum of its proper divisors (1).

423021059 is an equidigital number, since it uses as much as digits as its factorization.

423021059 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 423021059 is about 20567.4757566406. The cubic root of 423021059 is about 750.6785320147.

The spelling of 423021059 in words is "four hundred twenty-three million, twenty-one thousand, fifty-nine".