423529344 has 384 divisors, whose sum is σ = 1513965600. Its totient is φ = 116121600.

The previous prime is 423529331. The next prime is 423529363. The reversal of 423529344 is 443925324.

It is a tau number, because it is divible by the number of its divisors (384).

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

It is a junction number, because it is equal to n+sod(n) for n = 423529299 and 423529308.

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 6943074 + ... + 6943134.

Almost surely, 2^423529344 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 423529344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (756982800).

423529344 is an abundant number, since it is smaller than the sum of its proper divisors (1090436256).

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

423529344 is a wasteful number, since it uses less digits than its factorization.

423529344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139 (or 114 counting only the distinct ones).

The product of its digits is 103680, while the sum is 36.

The square root of 423529344 is about 20579.8285707146. The cubic root of 423529344 is about 750.9790733311.

The spelling of 423529344 in words is "four hundred twenty-three million, five hundred twenty-nine thousand, three hundred forty-four".