203230020003 has 16 divisors (see below), whose sum is σ = 286925348736. Its totient is φ = 127511373440.

The previous prime is 203230019989. The next prime is 203230020029. The reversal of 203230020003 is 300020032302.

It is a cyclic number.

It is not a de Polignac number, because 203230020003 - 2⁶ = 203230019939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (203230040003) 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 15 ways as a sum of consecutive naturals, for example, 1336000 + ... + 1480322.

It is an arithmetic number, because the mean of its divisors is an integer number (17932834296).

Almost surely, 2^203230020003 is an apocalyptic number.

203230020003 is a deficient number, since it is larger than the sum of its proper divisors (83695328733).

203230020003 is a wasteful number, since it uses less digits than its factorization.

203230020003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171954.

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

Adding to 203230020003 its reverse (300020032302), we get a palindrome (503250052305).

The spelling of 203230020003 in words is "two hundred three billion, two hundred thirty million, twenty thousand, three".