423441543 has 32 divisors (see below), whose sum is σ = 682393600. Its totient is φ = 228155616.

The previous prime is 423441533. The next prime is 423441583. The reversal of 423441543 is 345144324.

It is not a de Polignac number, because 423441543 - 2⁴ = 423441527 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 423441543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423441533) 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, 86598 + ... + 91356.

It is an arithmetic number, because the mean of its divisors is an integer number (21324800).

Almost surely, 2^423441543 is an apocalyptic number.

423441543 is a deficient number, since it is larger than the sum of its proper divisors (258952057).

423441543 is a wasteful number, since it uses less digits than its factorization.

423441543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5011.

The product of its digits is 23040, while the sum is 30.

The square root of 423441543 is about 20577.6952791123. The cubic root of 423441543 is about 750.9271751006.

Adding to 423441543 its reverse (345144324), we get a palindrome (768585867).

The spelling of 423441543 in words is "four hundred twenty-three million, four hundred forty-one thousand, five hundred forty-three".