200131223 has 4 divisors (see below), whose sum is σ = 200251128. Its totient is φ = 200011320.

The previous prime is 200131219. The next prime is 200131231. The reversal of 200131223 is 322131002.

It is a happy number.

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 200131223 - 2² = 200131219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200131198 and 200131207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200131823) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 57413 + ... + 60798.

It is an arithmetic number, because the mean of its divisors is an integer number (50062782).

Almost surely, 2^200131223 is an apocalyptic number.

200131223 is a deficient number, since it is larger than the sum of its proper divisors (119905).

200131223 is a wasteful number, since it uses less digits than its factorization.

200131223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119904.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 200131223 is about 14146.7742966374. The cubic root of 200131223 is about 584.9314191404.

Adding to 200131223 its reverse (322131002), we get a palindrome (522262225).

The spelling of 200131223 in words is "two hundred million, one hundred thirty-one thousand, two hundred twenty-three".