13122013223 has 32 divisors (see below), whose sum is σ = 14877886464. Its totient is φ = 11469600000.

The previous prime is 13122013217. The next prime is 13122013241. The reversal of 13122013223 is 32231022131.

It is a cyclic number.

It is not a de Polignac number, because 13122013223 - 2¹⁸ = 13121751079 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13122013195 and 13122013204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13122013283) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12343790 + ... + 12344852.

It is an arithmetic number, because the mean of its divisors is an integer number (464933952).

Almost surely, 2^13122013223 is an apocalyptic number.

13122013223 is a deficient number, since it is larger than the sum of its proper divisors (1755873241).

13122013223 is a wasteful number, since it uses less digits than its factorization.

13122013223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1487.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 13122013223 its reverse (32231022131), we get a palindrome (45353035354).

The spelling of 13122013223 in words is "thirteen billion, one hundred twenty-two million, thirteen thousand, two hundred twenty-three".