312143211223 has 8 divisors (see below), whose sum is σ = 316783958400. Its totient is φ = 307523416248.

The previous prime is 312143211209. The next prime is 312143211227. The reversal of 312143211223 is 322112341213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-312143211223 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 (312143211227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5208033 + ... + 5267626.

It is an arithmetic number, because the mean of its divisors is an integer number (39597994800).

Almost surely, 2^312143211223 is an apocalyptic number.

312143211223 is a deficient number, since it is larger than the sum of its proper divisors (4640747177).

312143211223 is a wasteful number, since it uses less digits than its factorization.

312143211223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10476101.

The product of its digits is 1728, while the sum is 25.

Adding to 312143211223 its reverse (322112341213), we get a palindrome (634255552436).

The spelling of 312143211223 in words is "three hundred twelve billion, one hundred forty-three million, two hundred eleven thousand, two hundred twenty-three".