210131043223 has 4 divisors (see below), whose sum is σ = 210320522280. Its totient is φ = 209941564168.

The previous prime is 210131043211. The next prime is 210131043233. The reversal of 210131043223 is 322340131012.

210131043223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 210131043223 - 2²⁵ = 210097488791 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210131043194 and 210131043203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210131043203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94737865 + ... + 94740082.

It is an arithmetic number, because the mean of its divisors is an integer number (52580130570).

Almost surely, 2^210131043223 is an apocalyptic number.

210131043223 is a deficient number, since it is larger than the sum of its proper divisors (189479057).

210131043223 is a wasteful number, since it uses less digits than its factorization.

210131043223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189479056.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 210131043223 its reverse (322340131012), we get a palindrome (532471174235).

The spelling of 210131043223 in words is "two hundred ten billion, one hundred thirty-one million, forty-three thousand, two hundred twenty-three".