423443532 has 24 divisors (see below), whose sum is σ = 1011013696. Its totient is φ = 137865168.

The previous prime is 423443513. The next prime is 423443549. The reversal of 423443532 is 235344324.

It is a nialpdrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 423443532.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 409798 + ... + 410829.

Almost surely, 2^423443532 is an apocalyptic number.

It is an amenable number.

423443532 is an abundant number, since it is smaller than the sum of its proper divisors (587570164).

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

423443532 is a wasteful number, since it uses less digits than its factorization.

423443532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 820677 (or 820675 counting only the distinct ones).

The product of its digits is 34560, while the sum is 30.

The square root of 423443532 is about 20577.7436080830. The cubic root of 423443532 is about 750.9283508566.

Adding to 423443532 its reverse (235344324), we get a palindrome (658787856).

The spelling of 423443532 in words is "four hundred twenty-three million, four hundred forty-three thousand, five hundred thirty-two".