423542441 has 8 divisors (see below), whose sum is σ = 497131200. Its totient is φ = 353224368.

The previous prime is 423542417. The next prime is 423542473. The reversal of 423542441 is 144245324.

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

It is a de Polignac number, because none of the positive numbers 2^k-423542441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423542411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 817391 + ... + 817908.

It is an arithmetic number, because the mean of its divisors is an integer number (62141400).

Almost surely, 2^423542441 is an apocalyptic number.

It is an amenable number.

423542441 is a deficient number, since it is larger than the sum of its proper divisors (73588759).

423542441 is a wasteful number, since it uses less digits than its factorization.

423542441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1635343.

The product of its digits is 15360, while the sum is 29.

The square root of 423542441 is about 20580.1467681841. The cubic root of 423542441 is about 750.9868142127.

Adding to 423542441 its reverse (144245324), we get a palindrome (567787765).

The spelling of 423542441 in words is "four hundred twenty-three million, five hundred forty-two thousand, four hundred forty-one".