423205369 has 4 divisors (see below), whose sum is σ = 429166080. Its totient is φ = 417244660.

The previous prime is 423205351. The next prime is 423205417. The reversal of 423205369 is 963502324.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 423205369 - 2⁵ = 423205337 is a prime.

It is a super-2 number, since 2×423205369² = 358205568700852322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423205319) 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 in 3 ways as a sum of consecutive naturals, for example, 2980249 + ... + 2980390.

It is an arithmetic number, because the mean of its divisors is an integer number (107291520).

Almost surely, 2^423205369 is an apocalyptic number.

It is an amenable number.

423205369 is a deficient number, since it is larger than the sum of its proper divisors (5960711).

423205369 is an equidigital number, since it uses as much as digits as its factorization.

423205369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5960710.

The product of its (nonzero) digits is 38880, while the sum is 34.

The square root of 423205369 is about 20571.9558865947. The cubic root of 423205369 is about 750.7875395673.

The spelling of 423205369 in words is "four hundred twenty-three million, two hundred five thousand, three hundred sixty-nine".