203430422 has 16 divisors (see below), whose sum is σ = 329050512. Its totient is φ = 93767520.

The previous prime is 203430421. The next prime is 203430431. The reversal of 203430422 is 224034302.

It is a junction number, because it is equal to n+sod(n) for n = 203430394 and 203430403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203430421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16772 + ... + 26232.

It is an arithmetic number, because the mean of its divisors is an integer number (20565657).

Almost surely, 2^203430422 is an apocalyptic number.

203430422 is a deficient number, since it is larger than the sum of its proper divisors (125620090).

203430422 is a wasteful number, since it uses less digits than its factorization.

203430422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10303.

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 203430422 is about 14262.9037015609. The cubic root of 203430422 is about 588.1281497571.

Adding to 203430422 its reverse (224034302), we get a palindrome (427464724).

The spelling of 203430422 in words is "two hundred three million, four hundred thirty thousand, four hundred twenty-two".