203230011000 has 128 divisors (see below), whose sum is σ = 651215223360. Its totient is φ = 52729920000.

The previous prime is 203230010987. The next prime is 203230011001. The reversal of 203230011000 is 110032302.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203230011001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 804451 + ... + 1026450.

Almost surely, 2^203230011000 is an apocalyptic number.

203230011000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203230011000 is an abundant number, since it is smaller than the sum of its proper divisors (447985212360).

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

203230011000 is a wasteful number, since it uses less digits than its factorization.

203230011000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1830962 (or 1830948 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 203230011000 its reverse (110032302), we get a palindrome (203340043302).

The spelling of 203230011000 in words is "two hundred three billion, two hundred thirty million, eleven thousand".