203230012230 has 192 divisors, whose sum is σ = 630894458880. Its totient is φ = 46418194368.

The previous prime is 203230012199. The next prime is 203230012273. The reversal of 203230012230 is 32210032302.

It is a happy number.

203230012230 is a `hidden beast` number, since 203 + 230 + 0 + 1 + 2 + 230 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 20726509 + ... + 20736311.

It is an arithmetic number, because the mean of its divisors is an integer number (3285908640).

Almost surely, 2^203230012230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 203230012230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (315447229440).

203230012230 is an abundant number, since it is smaller than the sum of its proper divisors (427664446650).

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

203230012230 is a wasteful number, since it uses less digits than its factorization.

203230012230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11400 (or 11387 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 203230012230 its reverse (32210032302), we get a palindrome (235440044532).

The spelling of 203230012230 in words is "two hundred three billion, two hundred thirty million, twelve thousand, two hundred thirty".