423334330 has 16 divisors (see below), whose sum is σ = 767118600. Its totient is φ = 168196672.

The previous prime is 423334313. The next prime is 423334333. The reversal of 423334330 is 33433324.

It can be written as a sum of positive squares in 4 ways, for example, as 112975641 + 310358689 = 10629^2 + 17617^2 .

It is a junction number, because it is equal to n+sod(n) for n = 423334295 and 423334304.

It is not an unprimeable number, because it can be changed into a prime (423334333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140569 + ... + 143548.

Almost surely, 2^423334330 is an apocalyptic number.

423334330 is a deficient number, since it is larger than the sum of its proper divisors (343784270).

423334330 is a wasteful number, since it uses less digits than its factorization.

423334330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284273.

The product of its (nonzero) digits is 7776, while the sum is 25.

The square root of 423334330 is about 20575.0900362550. The cubic root of 423334330 is about 750.8637929153.

Adding to 423334330 its reverse (33433324), we get a palindrome (456767654).

The spelling of 423334330 in words is "four hundred twenty-three million, three hundred thirty-four thousand, three hundred thirty".