423618384 has 40 divisors (see below), whose sum is σ = 1250683840. Its totient is φ = 121033728.

The previous prime is 423618383. The next prime is 423618389. The reversal of 423618384 is 483816324.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423618383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 630049 + ... + 630720.

It is an arithmetic number, because the mean of its divisors is an integer number (31267096).

Almost surely, 2^423618384 is an apocalyptic number.

It is an amenable number.

423618384 is an abundant number, since it is smaller than the sum of its proper divisors (827065456).

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

423618384 is a wasteful number, since it uses less digits than its factorization.

423618384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1260787 (or 1260781 counting only the distinct ones).

The product of its digits is 110592, while the sum is 39.

The square root of 423618384 is about 20581.9917403540. The cubic root of 423618384 is about 751.0316965965.

The spelling of 423618384 in words is "four hundred twenty-three million, six hundred eighteen thousand, three hundred eighty-four".