200423539 has 4 divisors (see below), whose sum is σ = 205311960. Its totient is φ = 195535120.

The previous prime is 200423527. The next prime is 200423543. The reversal of 200423539 is 935324002.

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 200423539 - 2⁷ = 200423411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200423549) 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, 2444149 + ... + 2444230.

It is an arithmetic number, because the mean of its divisors is an integer number (51327990).

Almost surely, 2^200423539 is an apocalyptic number.

200423539 is a deficient number, since it is larger than the sum of its proper divisors (4888421).

200423539 is an equidigital number, since it uses as much as digits as its factorization.

200423539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4888420.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 200423539 is about 14157.1020692796. The cubic root of 200423539 is about 585.2160684313.

The spelling of 200423539 in words is "two hundred million, four hundred twenty-three thousand, five hundred thirty-nine".