200423331313 has 4 divisors (see below), whose sum is σ = 200429967348. Its totient is φ = 200416695280.

The previous prime is 200423331203. The next prime is 200423331349. The reversal of 200423331313 is 313133324002.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 313133324002 = 2 ⋅156566662001.

It can be written as a sum of positive squares in 2 ways, for example, as 12650175729 + 187773155584 = 112473^2 + 433328^2 .

It is a cyclic number.

It is not a de Polignac number, because 200423331313 - 2³³ = 191833396721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200423331013) 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, 3272506 + ... + 3333187.

It is an arithmetic number, because the mean of its divisors is an integer number (50107491837).

Almost surely, 2^200423331313 is an apocalyptic number.

It is an amenable number.

200423331313 is a deficient number, since it is larger than the sum of its proper divisors (6636035).

200423331313 is an equidigital number, since it uses as much as digits as its factorization.

200423331313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6636034.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 200423331313 its reverse (313133324002), we get a palindrome (513556655315).

The spelling of 200423331313 in words is "two hundred billion, four hundred twenty-three million, three hundred thirty-one thousand, three hundred thirteen".