423359209 has 16 divisors (see below), whose sum is σ = 533180032. Its totient is φ = 327172608.

The previous prime is 423359201. The next prime is 423359231. The reversal of 423359209 is 902953324.

It is not a de Polignac number, because 423359209 - 2³ = 423359201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (423359201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50184 + ... + 58009.

It is an arithmetic number, because the mean of its divisors is an integer number (33323752).

Almost surely, 2^423359209 is an apocalyptic number.

It is an amenable number.

423359209 is a deficient number, since it is larger than the sum of its proper divisors (109820823).

423359209 is a wasteful number, since it uses less digits than its factorization.

423359209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108256.

The product of its (nonzero) digits is 58320, while the sum is 37.

The square root of 423359209 is about 20575.6946176794. The cubic root of 423359209 is about 750.8785018368.

The spelling of 423359209 in words is "four hundred twenty-three million, three hundred fifty-nine thousand, two hundred nine".