11323113123 has 16 divisors (see below), whose sum is σ = 17262395136. Its totient is φ = 6467302560.

The previous prime is 11323113121. The next prime is 11323113127. The reversal of 11323113123 is 32131132311.

It is a happy number.

It is not a de Polignac number, because 11323113123 - 2¹ = 11323113121 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 11323113123.

It is not an unprimeable number, because it can be changed into a prime (11323113121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80961 + ... + 170882.

It is an arithmetic number, because the mean of its divisors is an integer number (1078899696).

Almost surely, 2^11323113123 is an apocalyptic number.

11323113123 is a deficient number, since it is larger than the sum of its proper divisors (5939282013).

11323113123 is a wasteful number, since it uses less digits than its factorization.

11323113123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253994.

The product of its digits is 324, while the sum is 21.

Adding to 11323113123 its reverse (32131132311), we get a palindrome (43454245434).

The spelling of 11323113123 in words is "eleven billion, three hundred twenty-three million, one hundred thirteen thousand, one hundred twenty-three".