200243403 has 6 divisors (see below), whose sum is σ = 289240484. Its totient is φ = 133495596.

The previous prime is 200243399. The next prime is 200243411. The reversal of 200243403 is 304342002.

200243403 is a `hidden beast` number, since 20 + 0 + 243 + 403 = 666.

It is not a de Polignac number, because 200243403 - 2² = 200243399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200243443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11124625 + ... + 11124642.

Almost surely, 2^200243403 is an apocalyptic number.

200243403 is a deficient number, since it is larger than the sum of its proper divisors (88997081).

200243403 is a wasteful number, since it uses less digits than its factorization.

200243403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22249273 (or 22249270 counting only the distinct ones).

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

The square root of 200243403 is about 14150.7386026313. The cubic root of 200243403 is about 585.0406896966.

Adding to 200243403 its reverse (304342002), we get a palindrome (504585405).

The spelling of 200243403 in words is "two hundred million, two hundred forty-three thousand, four hundred three".