1310443321223 has 4 divisors (see below), whose sum is σ = 1379414022360. Its totient is φ = 1241472620088.

The previous prime is 1310443321189. The next prime is 1310443321321. The reversal of 1310443321223 is 3221233440131.

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 1310443321223 - 2¹⁴ = 1310443304839 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 (1310443320223) 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, 34485350540 + ... + 34485350577.

It is an arithmetic number, because the mean of its divisors is an integer number (344853505590).

Almost surely, 2^{1310443321223} is an apocalyptic number.

1310443321223 is a deficient number, since it is larger than the sum of its proper divisors (68970701137).

1310443321223 is an equidigital number, since it uses as much as digits as its factorization.

1310443321223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68970701136.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 1310443321223 its reverse (3221233440131), we get a palindrome (4531676761354).

The spelling of 1310443321223 in words is "one trillion, three hundred ten billion, four hundred forty-three million, three hundred twenty-one thousand, two hundred twenty-three".