312321111203223 has 12 divisors (see below), whose sum is σ = 451172145887008. Its totient is φ = 208194850169280.

The previous prime is 312321111203221. The next prime is 312321111203291. The reversal of 312321111203223 is 322302111123213.

312321111203223 is a `hidden beast` number, since 3 + 1 + 2 + 3 + 211 + 1 + 120 + 322 + 3 = 666.

It is not a de Polignac number, because 312321111203223 - 2¹ = 312321111203221 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 (312321111203221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1601894290 + ... + 1602089247.

Almost surely, 2^{312321111203223} is an apocalyptic number.

312321111203223 is a deficient number, since it is larger than the sum of its proper divisors (138851034683785).

312321111203223 is a wasteful number, since it uses less digits than its factorization.

312321111203223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3203994374 (or 3203994371 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

Adding to 312321111203223 its reverse (322302111123213), we get a palindrome (634623222326436).

The spelling of 312321111203223 in words is "three hundred twelve trillion, three hundred twenty-one billion, one hundred eleven million, two hundred three thousand, two hundred twenty-three".