200646923 has 12 divisors (see below), whose sum is σ = 207628704. Its totient is φ = 193830000.

The previous prime is 200646883. The next prime is 200646931. The reversal of 200646923 is 329646002.

It is a de Polignac number, because none of the positive numbers 2^k-200646923 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 200646923.

It is not an unprimeable number, because it can be changed into a prime (200646983) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 266798 + ... + 267548.

It is an arithmetic number, because the mean of its divisors is an integer number (17302392).

Almost surely, 2^200646923 is an apocalyptic number.

200646923 is a deficient number, since it is larger than the sum of its proper divisors (6981781).

200646923 is an frugal number, since it uses more digits than its factorization.

200646923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 946 (or 875 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 200646923 is about 14164.9893399183. The cubic root of 200646923 is about 585.4334071214.

The spelling of 200646923 in words is "two hundred million, six hundred forty-six thousand, nine hundred twenty-three".