423542544 has 20 divisors (see below), whose sum is σ = 1094151696. Its totient is φ = 141180832.

The previous prime is 423542531. The next prime is 423542563. The reversal of 423542544 is 445245324.

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, 4411854 + ... + 4411949.

Almost surely, 2^423542544 is an apocalyptic number.

It is an amenable number.

423542544 is an abundant number, since it is smaller than the sum of its proper divisors (670609152).

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

423542544 is a wasteful number, since it uses less digits than its factorization.

423542544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8823814 (or 8823808 counting only the distinct ones).

The product of its digits is 76800, while the sum is 33.

The square root of 423542544 is about 20580.1492705957. The cubic root of 423542544 is about 750.9868750894.

Adding to 423542544 its reverse (445245324), we get a palindrome (868787868).

The spelling of 423542544 in words is "four hundred twenty-three million, five hundred forty-two thousand, five hundred forty-four".