423213030 has 96 divisors (see below), whose sum is σ = 1189749600. Its totient is φ = 104011776.

The previous prime is 423213017. The next prime is 423213053. The reversal of 423213030 is 30312324.

423213030 is a `hidden beast` number, since 42 + 321 + 303 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 423212994 and 423213012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 59926 + ... + 66614.

It is an arithmetic number, because the mean of its divisors is an integer number (12393225).

Almost surely, 2^423213030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 423213030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (594874800).

423213030 is an abundant number, since it is smaller than the sum of its proper divisors (766536570).

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

423213030 is a wasteful number, since it uses less digits than its factorization.

423213030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6758 (or 6755 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 423213030 is about 20572.1420858403. The cubic root of 423213030 is about 750.7920698726.

Adding to 423213030 its reverse (30312324), we get a palindrome (453525354).

The spelling of 423213030 in words is "four hundred twenty-three million, two hundred thirteen thousand, thirty".