11323122013 has 16 divisors (see below), whose sum is σ = 13034936320. Its totient is φ = 9634950000.

The previous prime is 11323122001. The next prime is 11323122023. The reversal of 11323122013 is 31022132311.

It is a cyclic number.

It is not a de Polignac number, because 11323122013 - 2²¹ = 11321024861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11323122023) 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, 2376928 + ... + 2381686.

It is an arithmetic number, because the mean of its divisors is an integer number (814683520).

Almost surely, 2^11323122013 is an apocalyptic number.

It is an amenable number.

11323122013 is a deficient number, since it is larger than the sum of its proper divisors (1711814307).

11323122013 is a wasteful number, since it uses less digits than its factorization.

11323122013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7168.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 11323122013 its reverse (31022132311), we get a palindrome (42345254324).

The spelling of 11323122013 in words is "eleven billion, three hundred twenty-three million, one hundred twenty-two thousand, thirteen".