200423169 has 6 divisors (see below), whose sum is σ = 289500146. Its totient is φ = 133615440.

The previous prime is 200423161. The next prime is 200423207. The reversal of 200423169 is 961324002.

200423169 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 182250000 + 18173169 = 13500^2 + 4263^2 .

It is not a de Polignac number, because 200423169 - 2³ = 200423161 is a prime.

It is a super-2 number, since 2×200423169² = 80338893344005122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200423161) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11134612 + ... + 11134629.

Almost surely, 2^200423169 is an apocalyptic number.

It is an amenable number.

200423169 is a deficient number, since it is larger than the sum of its proper divisors (89076977).

200423169 is a wasteful number, since it uses less digits than its factorization.

200423169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22269247 (or 22269244 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 200423169 is about 14157.0890016274. The cubic root of 200423169 is about 585.2157083105.

The spelling of 200423169 in words is "two hundred million, four hundred twenty-three thousand, one hundred sixty-nine".