200656243 has 4 divisors (see below), whose sum is σ = 201091968. Its totient is φ = 200220520.

The previous prime is 200656241. The next prime is 200656271. The reversal of 200656243 is 342656002.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 200656243 - 2¹ = 200656241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200656241) 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, 217171 + ... + 218092.

It is an arithmetic number, because the mean of its divisors is an integer number (50272992).

Almost surely, 2^200656243 is an apocalyptic number.

200656243 is a deficient number, since it is larger than the sum of its proper divisors (435725).

200656243 is an equidigital number, since it uses as much as digits as its factorization.

200656243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435724.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 200656243 is about 14165.3183162257. The cubic root of 200656243 is about 585.4424713934.

The spelling of 200656243 in words is "two hundred million, six hundred fifty-six thousand, two hundred forty-three".