13122312223 has 8 divisors (see below), whose sum is σ = 13901917680. Its totient is φ = 12343562880.

The previous prime is 13122312221. The next prime is 13122312227. The reversal of 13122312223 is 32221322131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13122312223 - 2¹ = 13122312221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13122312194 and 13122312203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13122312221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 182328 + ... + 243901.

It is an arithmetic number, because the mean of its divisors is an integer number (1737739710).

Almost surely, 2^13122312223 is an apocalyptic number.

13122312223 is a deficient number, since it is larger than the sum of its proper divisors (779605457).

13122312223 is a wasteful number, since it uses less digits than its factorization.

13122312223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428057.

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

Adding to 13122312223 its reverse (32221322131), we get a palindrome (45343634354).

The spelling of 13122312223 in words is "thirteen billion, one hundred twenty-two million, three hundred twelve thousand, two hundred twenty-three".