423330001 has 2 divisors, whose sum is σ = 423330002. Its totient is φ = 423330000.

The previous prime is 423329999. The next prime is 423330029. The reversal of 423330001 is 100033324.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 340956225 + 82373776 = 18465^2 + 9076^2 .

It is a cyclic number.

It is not a de Polignac number, because 423330001 - 2¹ = 423329999 is a prime.

It is a super-4 number, since 4×423330001⁴ (a number of 36 digits) contains 4444 as substring.

Together with 423329999, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (423330031) 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, 211665000 + 211665001.

It is an arithmetic number, because the mean of its divisors is an integer number (211665001).

Almost surely, 2^423330001 is an apocalyptic number.

It is an amenable number.

423330001 is a deficient number, since it is larger than the sum of its proper divisors (1).

423330001 is an equidigital number, since it uses as much as digits as its factorization.

423330001 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 16.

The square root of 423330001 is about 20574.9848359604. The cubic root of 423330001 is about 750.8612334721.

Adding to 423330001 its reverse (100033324), we get a palindrome (523363325).

The spelling of 423330001 in words is "four hundred twenty-three million, three hundred thirty thousand, one".