203430030124 has 12 divisors (see below), whose sum is σ = 356181193144. Its totient is φ = 101663974944.

The previous prime is 203430030079. The next prime is 203430030127. The reversal of 203430030124 is 421030034302.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 203430030095 and 203430030104.

It is not an unprimeable number, because it can be changed into a prime (203430030127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12751062 + ... + 12767005.

Almost surely, 2^203430030124 is an apocalyptic number.

It is an amenable number.

203430030124 is a deficient number, since it is larger than the sum of its proper divisors (152751163020).

203430030124 is a wasteful number, since it uses less digits than its factorization.

203430030124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25520064 (or 25520062 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 203430030124 its reverse (421030034302), we get a palindrome (624460064426).

The spelling of 203430030124 in words is "two hundred three billion, four hundred thirty million, thirty thousand, one hundred twenty-four".