423081924 has 96 divisors (see below), whose sum is σ = 1088640000. Its totient is φ = 127303680.

The previous prime is 423081823. The next prime is 423081929. The reversal of 423081924 is 429180324.

It is not an unprimeable number, because it can be changed into a prime (423081929) 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 31 ways as a sum of consecutive naturals, for example, 942052 + ... + 942500.

It is an arithmetic number, because the mean of its divisors is an integer number (11340000).

Almost surely, 2^423081924 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 423081924, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (544320000).

423081924 is an abundant number, since it is smaller than the sum of its proper divisors (665558076).

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

423081924 is a wasteful number, since it uses less digits than its factorization.

423081924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653 (or 651 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 423081924 is about 20568.9553453743. The cubic root of 423081924 is about 750.7145332623.

The spelling of 423081924 in words is "four hundred twenty-three million, eighty-one thousand, nine hundred twenty-four".