200423645 has 8 divisors (see below), whose sum is σ = 246101856. Its totient is φ = 156609936.

The previous prime is 200423623. The next prime is 200423677. The reversal of 200423645 is 546324002.

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 200423645 - 2²⁶ = 133314781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 465887 + ... + 466316.

It is an arithmetic number, because the mean of its divisors is an integer number (30762732).

Almost surely, 2^200423645 is an apocalyptic number.

It is an amenable number.

200423645 is a deficient number, since it is larger than the sum of its proper divisors (45678211).

200423645 is an equidigital number, since it uses as much as digits as its factorization.

200423645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 932251.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 200423645 is about 14157.1058129831. The cubic root of 200423645 is about 585.2161716010.

Adding to 200423645 its reverse (546324002), we get a palindrome (746747647).

The spelling of 200423645 in words is "two hundred million, four hundred twenty-three thousand, six hundred forty-five".