423452500 has 60 divisors (see below), whose sum is σ = 935250624. Its totient is φ = 167692000.

The previous prime is 423452489. The next prime is 423452501. The reversal of 423452500 is 5254324.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423452501) 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 19 ways as a sum of consecutive naturals, for example, 266709 + ... + 268291.

Almost surely, 2^423452500 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 423452500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (467625312).

423452500 is an abundant number, since it is smaller than the sum of its proper divisors (511798124).

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

423452500 is a wasteful number, since it uses less digits than its factorization.

423452500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1714 (or 1697 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 423452500 is about 20577.9615122587. The cubic root of 423452500 is about 750.9336520576.

The spelling of 423452500 in words is "four hundred twenty-three million, four hundred fifty-two thousand, five hundred".