1320013312223 has 4 divisors (see below), whose sum is σ = 1321080422040. Its totient is φ = 1318946202408.

The previous prime is 1320013312183. The next prime is 1320013312231. The reversal of 1320013312223 is 3222133100231.

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 1320013312223 - 2¹⁶ = 1320013246687 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 (1320013312273) 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, 533553053 + ... + 533555526.

It is an arithmetic number, because the mean of its divisors is an integer number (330270105510).

Almost surely, 2^{1320013312223} is an apocalyptic number.

1320013312223 is a deficient number, since it is larger than the sum of its proper divisors (1067109817).

1320013312223 is a wasteful number, since it uses less digits than its factorization.

1320013312223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1067109816.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 1320013312223 its reverse (3222133100231), we get a palindrome (4542146412454).

The spelling of 1320013312223 in words is "one trillion, three hundred twenty billion, thirteen million, three hundred twelve thousand, two hundred twenty-three".