200042403 has 24 divisors (see below), whose sum is σ = 300348048. Its totient is φ = 118272000.

The previous prime is 200042357. The next prime is 200042419. The reversal of 200042403 is 304240002.

It is a happy number.

It is not a de Polignac number, because 200042403 - 2⁸ = 200042147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (200042443) 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 23 ways as a sum of consecutive naturals, for example, 8163 + ... + 21603.

It is an arithmetic number, because the mean of its divisors is an integer number (12514502).

Almost surely, 2^200042403 is an apocalyptic number.

200042403 is a deficient number, since it is larger than the sum of its proper divisors (100305645).

200042403 is a wasteful number, since it uses less digits than its factorization.

200042403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13507 (or 13496 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 200042403 is about 14143.6347167197. The cubic root of 200042403 is about 584.8448737635.

Adding to 200042403 its reverse (304240002), we get a palindrome (504282405).

The spelling of 200042403 in words is "two hundred million, forty-two thousand, four hundred three".