203230421030 has 96 divisors (see below), whose sum is σ = 453846898368. Its totient is φ = 64157184000.

The previous prime is 203230421029. The next prime is 203230421057. The reversal of 203230421030 is 30124032302.

It is a junction number, because it is equal to n+sod(n) for n = 203230420993 and 203230421011.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 4722410 + ... + 4765250.

It is an arithmetic number, because the mean of its divisors is an integer number (4727571858).

Almost surely, 2^203230421030 is an apocalyptic number.

203230421030 is an abundant number, since it is smaller than the sum of its proper divisors (250616477338).

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

203230421030 is a wasteful number, since it uses less digits than its factorization.

203230421030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43282 (or 43269 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 203230421030 its reverse (30124032302), we get a palindrome (233354453332).

The spelling of 203230421030 in words is "two hundred three billion, two hundred thirty million, four hundred twenty-one thousand, thirty".