423144648 has 48 divisors (see below), whose sum is σ = 1188467280. Its totient is φ = 141047568.

The previous prime is 423144629. The next prime is 423144677. The reversal of 423144648 is 846441324.

423144648 is a `hidden beast` number, since 4 + 2 + 3 + 1 + 4 + 4 + 648 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 106890 + ... + 110777.

It is an arithmetic number, because the mean of its divisors is an integer number (24759735).

Almost surely, 2^423144648 is an apocalyptic number.

It is an amenable number.

423144648 is an abundant number, since it is smaller than the sum of its proper divisors (765322632).

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

423144648 is a wasteful number, since it uses less digits than its factorization.

423144648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217688 (or 217672 counting only the distinct ones).

The product of its digits is 73728, while the sum is 36.

The square root of 423144648 is about 20570.4800138451. The cubic root of 423144648 is about 750.7516304839.

The spelling of 423144648 in words is "four hundred twenty-three million, one hundred forty-four thousand, six hundred forty-eight".