1312223133223 has 8 divisors (see below), whose sum is σ = 1335355616096. Its totient is φ = 1289142928800.

The previous prime is 1312223133217. The next prime is 1312223133239. The reversal of 1312223133223 is 3223313222131.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1312223133223 - 2⁵ = 1312223133191 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1312223133191 and 1312223133200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312223137223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13018968 + ... + 13119373.

It is an arithmetic number, because the mean of its divisors is an integer number (166919452012).

Almost surely, 2^{1312223133223} is an apocalyptic number.

1312223133223 is a deficient number, since it is larger than the sum of its proper divisors (23132482873).

1312223133223 is an equidigital number, since it uses as much as digits as its factorization.

1312223133223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26139225.

The product of its digits is 7776, while the sum is 28.

Adding to 1312223133223 its reverse (3223313222131), we get a palindrome (4535536355354).

The spelling of 1312223133223 in words is "one trillion, three hundred twelve billion, two hundred twenty-three million, one hundred thirty-three thousand, two hundred twenty-three".