423730368 has 84 divisors (see below), whose sum is σ = 1256477040. Its totient is φ = 136367616.

The previous prime is 423730313. The next prime is 423730393. The reversal of 423730368 is 863037324.

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

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 11 ways as a sum of consecutive naturals, for example, 4021 + ... + 29387.

It is an arithmetic number, because the mean of its divisors is an integer number (14958060).

Almost surely, 2^423730368 is an apocalyptic number.

423730368 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 423730368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (628238520).

423730368 is an abundant number, since it is smaller than the sum of its proper divisors (832746672).

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

423730368 is a wasteful number, since it uses less digits than its factorization.

423730368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25414 (or 25401 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 36.

The square root of 423730368 is about 20584.7119970137. The cubic root of 423730368 is about 751.0978694594.

The spelling of 423730368 in words is "four hundred twenty-three million, seven hundred thirty thousand, three hundred sixty-eight".