312223211323 has 4 divisors (see below), whose sum is σ = 313598644200. Its totient is φ = 310847778448.

The previous prime is 312223211317. The next prime is 312223211351. The reversal of 312223211323 is 323112322213.

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 312223211323 - 2¹⁷ = 312223080251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312223211023) 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, 687716098 + ... + 687716551.

It is an arithmetic number, because the mean of its divisors is an integer number (78399661050).

Almost surely, 2^312223211323 is an apocalyptic number.

312223211323 is a deficient number, since it is larger than the sum of its proper divisors (1375432877).

312223211323 is a wasteful number, since it uses less digits than its factorization.

312223211323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1375432876.

The product of its digits is 2592, while the sum is 25.

Adding to 312223211323 its reverse (323112322213), we get a palindrome (635335533536).

The spelling of 312223211323 in words is "three hundred twelve billion, two hundred twenty-three million, two hundred eleven thousand, three hundred twenty-three".