423345433 has 4 divisors (see below), whose sum is σ = 483823360. Its totient is φ = 362867508.

The previous prime is 423345367. The next prime is 423345457. The reversal of 423345433 is 334543324.

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 a de Polignac number, because none of the positive numbers 2^k-423345433 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 423345395 and 423345404.

It is not an unprimeable number, because it can be changed into a prime (423345493) 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, 30238953 + ... + 30238966.

It is an arithmetic number, because the mean of its divisors is an integer number (120955840).

Almost surely, 2^423345433 is an apocalyptic number.

It is an amenable number.

423345433 is a deficient number, since it is larger than the sum of its proper divisors (60477927).

423345433 is an equidigital number, since it uses as much as digits as its factorization.

423345433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60477926.

The product of its digits is 51840, while the sum is 31.

The square root of 423345433 is about 20575.3598510451. The cubic root of 423345433 is about 750.8703572839.

Adding to 423345433 its reverse (334543324), we get a palindrome (757888757).

The spelling of 423345433 in words is "four hundred twenty-three million, three hundred forty-five thousand, four hundred thirty-three".