11323322231 has 8 divisors (see below), whose sum is σ = 12491770704. Its totient is φ = 10197362880.

The previous prime is 11323322189. The next prime is 11323322233. The reversal of 11323322231 is 13222332311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11323322231 is a prime.

It is a super-2 number, since 2×11323322231² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11323322197 and 11323322206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11323322233) 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, 10621721 + ... + 10622786.

It is an arithmetic number, because the mean of its divisors is an integer number (1561471338).

Almost surely, 2^11323322231 is an apocalyptic number.

11323322231 is a deficient number, since it is larger than the sum of its proper divisors (1168448473).

11323322231 is a wasteful number, since it uses less digits than its factorization.

11323322231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21244561.

The product of its digits is 1296, while the sum is 23.

Adding to 11323322231 its reverse (13222332311), we get a palindrome (24545654542).

The spelling of 11323322231 in words is "eleven billion, three hundred twenty-three million, three hundred twenty-two thousand, two hundred thirty-one".