423423330 has 64 divisors (see below), whose sum is σ = 1156819968. Its totient is φ = 98183360.

The previous prime is 423423293. The next prime is 423423349. The reversal of 423423330 is 33324324.

It is a self number, because there is not a number n which added to its sum of digits gives 423423330.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20304 + ... + 35483.

It is an arithmetic number, because the mean of its divisors is an integer number (18075312).

Almost surely, 2^423423330 is an apocalyptic number.

423423330 is an abundant number, since it is smaller than the sum of its proper divisors (733396638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

423423330 is a wasteful number, since it uses less digits than its factorization.

423423330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55831.

The product of its (nonzero) digits is 5184, while the sum is 24.

The square root of 423423330 is about 20577.2527320826. The cubic root of 423423330 is about 750.9164086930.

Adding to 423423330 its reverse (33324324), we get a palindrome (456747654).

The spelling of 423423330 in words is "four hundred twenty-three million, four hundred twenty-three thousand, three hundred thirty".