423031330 has 16 divisors (see below), whose sum is σ = 761866560. Its totient is φ = 169121392.

The previous prime is 423031327. The next prime is 423031379. The reversal of 423031330 is 33130324.

It is a junction number, because it is equal to n+sod(n) for n = 423031298 and 423031307.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10017 + ... + 30763.

It is an arithmetic number, because the mean of its divisors is an integer number (47616660).

Almost surely, 2^423031330 is an apocalyptic number.

423031330 is a deficient number, since it is larger than the sum of its proper divisors (338835230).

423031330 is a wasteful number, since it uses less digits than its factorization.

423031330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22793.

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 423031330 is about 20567.7254454643. The cubic root of 423031330 is about 750.6846074859.

Adding to 423031330 its reverse (33130324), we get a palindrome (456161654).

The spelling of 423031330 in words is "four hundred twenty-three million, thirty-one thousand, three hundred thirty".