423824526 has 48 divisors (see below), whose sum is σ = 971777040. Its totient is φ = 133125120.

The previous prime is 423824459. The next prime is 423824537. The reversal of 423824526 is 625428324.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 62796 + ... + 69216.

It is an arithmetic number, because the mean of its divisors is an integer number (20245355).

Almost surely, 2^423824526 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 423824526, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (485888520).

423824526 is an abundant number, since it is smaller than the sum of its proper divisors (547952514).

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

423824526 is a wasteful number, since it uses less digits than its factorization.

423824526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6641 (or 6638 counting only the distinct ones).

The product of its digits is 92160, while the sum is 36.

The square root of 423824526 is about 20586.9989556516. The cubic root of 423824526 is about 751.1534996752.

The spelling of 423824526 in words is "four hundred twenty-three million, eight hundred twenty-four thousand, five hundred twenty-six".