11323121323 has 8 divisors (see below), whose sum is σ = 11583545600. Its totient is φ = 11065543488.

The previous prime is 11323121297. The next prime is 11323121339. The reversal of 11323121323 is 32312132311.

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 11323121323 - 2⁹ = 11323120811 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11323121294 and 11323121303.

It is not an unprimeable number, because it can be changed into a prime (11323121353) 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, 703563 + ... + 719476.

It is an arithmetic number, because the mean of its divisors is an integer number (1447943200).

Almost surely, 2^11323121323 is an apocalyptic number.

11323121323 is a deficient number, since it is larger than the sum of its proper divisors (260424277).

11323121323 is a wasteful number, since it uses less digits than its factorization.

11323121323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1423221.

The product of its digits is 648, while the sum is 22.

Adding to 11323121323 its reverse (32312132311), we get a palindrome (43635253634).

It can be divided in two parts, 11 and 323121323, that multiplied together give a palindrome (3554334553).

The spelling of 11323121323 in words is "eleven billion, three hundred twenty-three million, one hundred twenty-one thousand, three hundred twenty-three".