203203230 has 16 divisors (see below), whose sum is σ = 487687824. Its totient is φ = 54187520.

The previous prime is 203203199. The next prime is 203203237. The reversal of 203203230 is 32302302.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203203237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3386691 + ... + 3386750.

It is an arithmetic number, because the mean of its divisors is an integer number (30480489).

Almost surely, 2^203203230 is an apocalyptic number.

203203230 is an abundant number, since it is smaller than the sum of its proper divisors (284484594).

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

203203230 is a wasteful number, since it uses less digits than its factorization.

203203230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6773451.

The product of its (nonzero) digits is 216, while the sum is 15.

The square root of 203203230 is about 14254.9370394962. The cubic root of 203203230 is about 587.9091268238.

Adding to 203203230 its reverse (32302302), we get a palindrome (235505532).

The spelling of 203203230 in words is "two hundred three million, two hundred three thousand, two hundred thirty".