423004433 has 4 divisors (see below), whose sum is σ = 429318000. Its totient is φ = 416690868.

The previous prime is 423004423. The next prime is 423004441. The reversal of 423004433 is 334400324.

It is a happy number.

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 423004433 - 2¹⁸ = 422742289 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 423004399 and 423004408.

It is not an unprimeable number, because it can be changed into a prime (423004423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3156683 + ... + 3156816.

It is an arithmetic number, because the mean of its divisors is an integer number (107329500).

Almost surely, 2^423004433 is an apocalyptic number.

It is an amenable number.

423004433 is a deficient number, since it is larger than the sum of its proper divisors (6313567).

423004433 is an equidigital number, since it uses as much as digits as its factorization.

423004433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6313566.

The product of its (nonzero) digits is 3456, while the sum is 23.

The square root of 423004433 is about 20567.0715708387. The cubic root of 423004433 is about 750.6686972444.

Adding to 423004433 its reverse (334400324), we get a palindrome (757404757).

The spelling of 423004433 in words is "four hundred twenty-three million, four thousand, four hundred thirty-three".