423134430 has 64 divisors (see below), whose sum is σ = 1049932800. Its totient is φ = 109077120.

The previous prime is 423134423. The next prime is 423134431. The reversal of 423134430 is 34431324.

It is a self number, because there is not a number n which added to its sum of digits gives 423134430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423134431) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 106011 + ... + 109929.

It is an arithmetic number, because the mean of its divisors is an integer number (16405200).

Almost surely, 2^423134430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 423134430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (524966400).

423134430 is an abundant number, since it is smaller than the sum of its proper divisors (626798370).

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

423134430 is a wasteful number, since it uses less digits than its factorization.

423134430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4049.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 423134430 is about 20570.2316467268. The cubic root of 423134430 is about 750.7455874424.

Adding to 423134430 its reverse (34431324), we get a palindrome (457565754).

The spelling of 423134430 in words is "four hundred twenty-three million, one hundred thirty-four thousand, four hundred thirty".