200649923 has 8 divisors (see below), whose sum is σ = 204748800. Its totient is φ = 196577280.

The previous prime is 200649913. The next prime is 200649959. The reversal of 200649923 is 329946002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 200649923 - 2¹⁸ = 200387779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200649913) 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 7 ways as a sum of consecutive naturals, for example, 9278 + ... + 22076.

It is an arithmetic number, because the mean of its divisors is an integer number (25593600).

Almost surely, 2^200649923 is an apocalyptic number.

200649923 is a deficient number, since it is larger than the sum of its proper divisors (4098877).

200649923 is a wasteful number, since it uses less digits than its factorization.

200649923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13117.

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 200649923 is about 14165.0952344134. The cubic root of 200649923 is about 585.4363248361.

The spelling of 200649923 in words is "two hundred million, six hundred forty-nine thousand, nine hundred twenty-three".