423288500 has 24 divisors (see below), whose sum is σ = 924463176. Its totient is φ = 169315200.

The previous prime is 423288497. The next prime is 423288521. The reversal of 423288500 is 5882324.

It can be written as a sum of positive squares in 4 ways, for example, as 100080016 + 323208484 = 10004^2 + 17978^2 .

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 422789 + ... + 423788.

It is an arithmetic number, because the mean of its divisors is an integer number (38519299).

Almost surely, 2^423288500 is an apocalyptic number.

It is an amenable number.

423288500 is an abundant number, since it is smaller than the sum of its proper divisors (501174676).

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

423288500 is a wasteful number, since it uses less digits than its factorization.

423288500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 846596 (or 846584 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 423288500 is about 20573.9762807290. The cubic root of 423288500 is about 750.8366958692.

The spelling of 423288500 in words is "four hundred twenty-three million, two hundred eighty-eight thousand, five hundred".