423244500 has 192 divisors, whose sum is σ = 1422779904. Its totient is φ = 95769600.

The previous prime is 423244499. The next prime is 423244501. The reversal of 423244500 is 5442324.

It is an interprime number because it is at equal distance from previous prime (423244499) and next prime (423244501).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423244501) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1816384 + ... + 1816616.

It is an arithmetic number, because the mean of its divisors is an integer number (7410312).

Almost surely, 2^423244500 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 423244500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (711389952).

423244500 is an abundant number, since it is smaller than the sum of its proper divisors (999535404).

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

423244500 is a wasteful number, since it uses less digits than its factorization.

423244500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435 (or 423 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 423244500 is about 20572.9069409260. The cubic root of 423244500 is about 750.8106789726.

Adding to 423244500 its reverse (5442324), we get a palindrome (428686824).

The spelling of 423244500 in words is "four hundred twenty-three million, two hundred forty-four thousand, five hundred".