423544434 has 8 divisors (see below), whose sum is σ = 847088880. Its totient is φ = 141181476.

The previous prime is 423544403. The next prime is 423544441. The reversal of 423544434 is 434445324.

It is a sphenic number, since it is the product of 3 distinct primes.

423544434 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 423544395 and 423544404.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35295364 + ... + 35295375.

It is an arithmetic number, because the mean of its divisors is an integer number (105886110).

Almost surely, 2^423544434 is an apocalyptic number.

423544434 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

423544434 is a wasteful number, since it uses less digits than its factorization.

423544434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70590744.

The product of its digits is 92160, while the sum is 33.

The square root of 423544434 is about 20580.1951885788. The cubic root of 423544434 is about 750.9879921461.

Adding to 423544434 its reverse (434445324), we get a palindrome (857989758).

The spelling of 423544434 in words is "four hundred twenty-three million, five hundred forty-four thousand, four hundred thirty-four".