11323123023 has 16 divisors (see below), whose sum is σ = 15707242496. Its totient is φ = 7247711520.

The previous prime is 11323122991. The next prime is 11323123039. The reversal of 11323123023 is 32032132311.

11323123023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11323123023 - 2⁵ = 11323122991 is a prime.

It is a super-2 number, since 2×11323123023² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11323123223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 467536 + ... + 491157.

It is an arithmetic number, because the mean of its divisors is an integer number (981702656).

Almost surely, 2^11323123023 is an apocalyptic number.

11323123023 is a deficient number, since it is larger than the sum of its proper divisors (4384119473).

11323123023 is a wasteful number, since it uses less digits than its factorization.

11323123023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 958854.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 11323123023 its reverse (32032132311), we get a palindrome (43355255334).

The spelling of 11323123023 in words is "eleven billion, three hundred twenty-three million, one hundred twenty-three thousand, twenty-three".