1322213131223 has 4 divisors (see below), whose sum is σ = 1322265415848. Its totient is φ = 1322160846600.

The previous prime is 1322213131171. The next prime is 1322213131247. The reversal of 1322213131223 is 3221313122231.

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 1322213131223 - 2³⁰ = 1321139389399 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1322213131192 and 1322213131201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1322213133223) 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, 26104361 + ... + 26154962.

It is an arithmetic number, because the mean of its divisors is an integer number (330566353962).

Almost surely, 2^{1322213131223} is an apocalyptic number.

1322213131223 is a deficient number, since it is larger than the sum of its proper divisors (52284625).

1322213131223 is an equidigital number, since it uses as much as digits as its factorization.

1322213131223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52284624.

The product of its digits is 2592, while the sum is 26.

Adding to 1322213131223 its reverse (3221313122231), we get a palindrome (4543526253454).

The spelling of 1322213131223 in words is "one trillion, three hundred twenty-two billion, two hundred thirteen million, one hundred thirty-one thousand, two hundred twenty-three".