42430203 has 16 divisors (see below), whose sum is σ = 64394400. Its totient is φ = 27596160.

The previous prime is 42430139. The next prime is 42430253. The reversal of 42430203 is 30203424.

42430203 is nontrivially palindromic in base 15.

It is not a de Polignac number, because 42430203 - 2⁶ = 42430139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42430253) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 18058 + ... + 20271.

It is an arithmetic number, because the mean of its divisors is an integer number (4024650).

Almost surely, 2^42430203 is an apocalyptic number.

42430203 is a deficient number, since it is larger than the sum of its proper divisors (21964197).

42430203 is a wasteful number, since it uses less digits than its factorization.

42430203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38379 (or 38373 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 42430203 is about 6513.8470200028. The cubic root of 42430203 is about 348.7854582979.

Adding to 42430203 its reverse (30203424), we get a palindrome (72633627).

The spelling of 42430203 in words is "forty-two million, four hundred thirty thousand, two hundred three".