1312203331223 has 8 divisors (see below), whose sum is σ = 1318058097216. Its totient is φ = 1306356012000.

The previous prime is 1312203331213. The next prime is 1312203331261. The reversal of 1312203331223 is 3221333022131.

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 1312203331223 - 2⁴⁰ = 212691703447 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1312203331192 and 1312203331201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312203331213) 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, 1508336 + ... + 2213477.

It is an arithmetic number, because the mean of its divisors is an integer number (164757262152).

Almost surely, 2^{1312203331223} is an apocalyptic number.

1312203331223 is a deficient number, since it is larger than the sum of its proper divisors (5854765993).

1312203331223 is a wasteful number, since it uses less digits than its factorization.

1312203331223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3723385.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 1312203331223 its reverse (3221333022131), we get a palindrome (4533536353354).

The spelling of 1312203331223 in words is "one trillion, three hundred twelve billion, two hundred three million, three hundred thirty-one thousand, two hundred twenty-three".