423744132 has 48 divisors (see below), whose sum is σ = 1134766080. Its totient is φ = 120557472.

The previous prime is 423744127. The next prime is 423744173. The reversal of 423744132 is 231447324.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 423744132.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9523 + ... + 30629.

It is an arithmetic number, because the mean of its divisors is an integer number (23640960).

Almost surely, 2^423744132 is an apocalyptic number.

423744132 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

423744132 is an abundant number, since it is smaller than the sum of its proper divisors (711021948).

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

423744132 is a wasteful number, since it uses less digits than its factorization.

423744132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21360 (or 21358 counting only the distinct ones).

The product of its digits is 16128, while the sum is 30.

The square root of 423744132 is about 20585.0463200839. The cubic root of 423744132 is about 751.1060019889.

The spelling of 423744132 in words is "four hundred twenty-three million, seven hundred forty-four thousand, one hundred thirty-two".