423331630 has 16 divisors (see below), whose sum is σ = 764014320. Its totient is φ = 168884352.

The previous prime is 423331613. The next prime is 423331633. The reversal of 423331630 is 36133324.

It is a junction number, because it is equal to n+sod(n) for n = 423331595 and 423331604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423331633) 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, 52059 + ... + 59638.

It is an arithmetic number, because the mean of its divisors is an integer number (47750895).

Almost surely, 2^423331630 is an apocalyptic number.

423331630 is a deficient number, since it is larger than the sum of its proper divisors (340682690).

423331630 is a wasteful number, since it uses less digits than its factorization.

423331630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112083.

The product of its (nonzero) digits is 3888, while the sum is 25.

The square root of 423331630 is about 20575.0244228288. The cubic root of 423331630 is about 750.8621965910.

Adding to 423331630 its reverse (36133324), we get a palindrome (459464954).

The spelling of 423331630 in words is "four hundred twenty-three million, three hundred thirty-one thousand, six hundred thirty".