423344430 has 48 divisors (see below), whose sum is σ = 1111007664. Its totient is φ = 111834240.

The previous prime is 423344419. The next prime is 423344461. The reversal of 423344430 is 34443324.

It is a junction number, because it is equal to n+sod(n) for n = 423344394 and 423344403.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12351 + ... + 31610.

It is an arithmetic number, because the mean of its divisors is an integer number (23145993).

Almost surely, 2^423344430 is an apocalyptic number.

423344430 is an abundant number, since it is smaller than the sum of its proper divisors (687663234).

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

423344430 is a wasteful number, since it uses less digits than its factorization.

423344430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44081 (or 44078 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 27.

The square root of 423344430 is about 20575.3354772164. The cubic root of 423344430 is about 750.8697642902.

Adding to 423344430 its reverse (34443324), we get a palindrome (457787754).

It can be divided in two parts, 42334 and 4430, that added together give a palindrome (46764).

The spelling of 423344430 in words is "four hundred twenty-three million, three hundred forty-four thousand, four hundred thirty".