423090001 has 2 divisors, whose sum is σ = 423090002. Its totient is φ = 423090000.

The previous prime is 423089981. The next prime is 423090013. The reversal of 423090001 is 100090324.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 418161601 + 4928400 = 20449^2 + 2220^2 .

It is a cyclic number.

It is not a de Polignac number, because 423090001 - 2¹³ = 423081809 is a prime.

It is a super-3 number, since 3×423090001³ (a number of 27 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (423090061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211545000 + 211545001.

It is an arithmetic number, because the mean of its divisors is an integer number (211545001).

Almost surely, 2^423090001 is an apocalyptic number.

It is an amenable number.

423090001 is a deficient number, since it is larger than the sum of its proper divisors (1).

423090001 is an equidigital number, since it uses as much as digits as its factorization.

423090001 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 423090001 is about 20569.1516840146. The cubic root of 423090001 is about 750.7193104953.

The spelling of 423090001 in words is "four hundred twenty-three million, ninety thousand, one".