11323123013 has 8 divisors (see below), whose sum is σ = 11349201600. Its totient is φ = 11297073568.

The previous prime is 11323122991. The next prime is 11323123039. The reversal of 11323123013 is 31032132311.

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 11323123013 - 2⁶ = 11323122949 is a prime.

It is a super-2 number, since 2×11323123013² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11323123313) 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, 894593 + ... + 907161.

It is an arithmetic number, because the mean of its divisors is an integer number (1418650200).

Almost surely, 2^11323123013 is an apocalyptic number.

It is an amenable number.

11323123013 is a deficient number, since it is larger than the sum of its proper divisors (26078587).

11323123013 is a wasteful number, since it uses less digits than its factorization.

11323123013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14571.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 11323123013 its reverse (31032132311), we get a palindrome (42355255324).

The spelling of 11323123013 in words is "eleven billion, three hundred twenty-three million, one hundred twenty-three thousand, thirteen".