11313122223 has 16 divisors (see below), whose sum is σ = 16321483136. Its totient is φ = 6928921440.

The previous prime is 11313122213. The next prime is 11313122239. The reversal of 11313122223 is 32222131311.

It is not a de Polignac number, because 11313122223 - 2¹³ = 11313114031 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 11313122223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11313122203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 679165 + ... + 695622.

It is an arithmetic number, because the mean of its divisors is an integer number (1020092696).

Almost surely, 2^11313122223 is an apocalyptic number.

11313122223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11313122223 is a deficient number, since it is larger than the sum of its proper divisors (5008360913).

11313122223 is a wasteful number, since it uses less digits than its factorization.

11313122223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1375014.

The product of its digits is 432, while the sum is 21.

Adding to 11313122223 its reverse (32222131311), we get a palindrome (43535253534).

The spelling of 11313122223 in words is "eleven billion, three hundred thirteen million, one hundred twenty-two thousand, two hundred twenty-three".