450323000 has 64 divisors (see below), whose sum is σ = 1057324320. Its totient is φ = 179520000.

The previous prime is 450322997. The next prime is 450323011. The reversal of 450323000 is 323054.

It is a self number, because there is not a number n which added to its sum of digits gives 450323000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 400439 + ... + 401561.

Almost surely, 2^450323000 is an apocalyptic number.

450323000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 450323000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (528662160).

450323000 is an abundant number, since it is smaller than the sum of its proper divisors (607001320).

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

450323000 is a wasteful number, since it uses less digits than its factorization.

450323000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1545 (or 1531 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 17.

The square root of 450323000 is about 21220.8152529539. The cubic root of 450323000 is about 766.4927351708.

Adding to 450323000 its reverse (323054), we get a palindrome (450646054).

The spelling of 450323000 in words is "four hundred fifty million, three hundred twenty-three thousand".