11213111323 has 4 divisors (see below), whose sum is σ = 11239008088. Its totient is φ = 11187214560.

The previous prime is 11213111309. The next prime is 11213111387. The reversal of 11213111323 is 32311131211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32311131211 = 41 ⋅788076371.

It is a cyclic number.

It is not a de Polignac number, because 11213111323 - 2⁵ = 11213111291 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11213111323.

It is not an unprimeable number, because it can be changed into a prime (11213111123) 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, 12947733 + ... + 12948598.

It is an arithmetic number, because the mean of its divisors is an integer number (2809752022).

Almost surely, 2^11213111323 is an apocalyptic number.

11213111323 is a deficient number, since it is larger than the sum of its proper divisors (25896765).

11213111323 is an equidigital number, since it uses as much as digits as its factorization.

11213111323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25896764.

The product of its digits is 108, while the sum is 19.

Adding to 11213111323 its reverse (32311131211), we get a palindrome (43524242534).

The spelling of 11213111323 in words is "eleven billion, two hundred thirteen million, one hundred eleven thousand, three hundred twenty-three".