203230000 has 50 divisors (see below), whose sum is σ = 492064364. Its totient is φ = 81288000.

The previous prime is 203229991. The next prime is 203230003. The reversal of 203230000 is 32302.

It is a tau number, because it is divible by the number of its divisors (50).

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (203230003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 162 + ... + 20161.

Almost surely, 2^203230000 is an apocalyptic number.

203230000 is a gapful number since it is divisible by the number (20) 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 203230000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (246032182).

203230000 is an abundant number, since it is smaller than the sum of its proper divisors (288834364).

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

203230000 is an equidigital number, since it uses as much as digits as its factorization.

203230000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20351 (or 20330 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 10.

The square root of 203230000 is about 14255.8759815032. The cubic root of 203230000 is about 587.9349427459.

Adding to 203230000 its reverse (32302), we get a palindrome (203262302).

The spelling of 203230000 in words is "two hundred three million, two hundred thirty thousand".