200423144399 has 4 divisors (see below), whose sum is σ = 200610632040. Its totient is φ = 200235656760.

The previous prime is 200423144381. The next prime is 200423144429. The reversal of 200423144399 is 993441324002.

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 200423144399 - 2²⁰ = 200422095823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200423144329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93742217 + ... + 93744354.

It is an arithmetic number, because the mean of its divisors is an integer number (50152658010).

Almost surely, 2^200423144399 is an apocalyptic number.

200423144399 is a deficient number, since it is larger than the sum of its proper divisors (187487641).

200423144399 is a wasteful number, since it uses less digits than its factorization.

200423144399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187487640.

The product of its (nonzero) digits is 186624, while the sum is 41.

The spelling of 200423144399 in words is "two hundred billion, four hundred twenty-three million, one hundred forty-four thousand, three hundred ninety-nine".