2231220011323 has 4 divisors (see below), whose sum is σ = 2243547193888. Its totient is φ = 2218892828760.

The previous prime is 2231220011309. The next prime is 2231220011333. The reversal of 2231220011323 is 3231100221322.

2231220011323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2231220011323 - 2⁴¹ = 32196755771 is a prime.

It is a super-3 number, since 3×2231220011323³ (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2231220011294 and 2231220011303.

It is not an unprimeable number, because it can be changed into a prime (2231220011333) 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, 6163591011 + ... + 6163591372.

It is an arithmetic number, because the mean of its divisors is an integer number (560886798472).

Almost surely, 2^{2231220011323} is an apocalyptic number.

2231220011323 is a deficient number, since it is larger than the sum of its proper divisors (12327182565).

2231220011323 is a wasteful number, since it uses less digits than its factorization.

2231220011323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12327182564.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 2231220011323 its reverse (3231100221322), we get a palindrome (5462320232645).

The spelling of 2231220011323 in words is "two trillion, two hundred thirty-one billion, two hundred twenty million, eleven thousand, three hundred twenty-three".