11323144236 has 24 divisors (see below), whose sum is σ = 27974827440. Its totient is φ = 3552358912.

The previous prime is 11323144223. The next prime is 11323144249. The reversal of 11323144236 is 63244132311.

It is an interprime number because it is at equal distance from previous prime (11323144223) and next prime (11323144249).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27752601 + ... + 27753008.

It is an arithmetic number, because the mean of its divisors is an integer number (1165617810).

Almost surely, 2^11323144236 is an apocalyptic number.

It is an amenable number.

11323144236 is an abundant number, since it is smaller than the sum of its proper divisors (16651683204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11323144236 is a wasteful number, since it uses less digits than its factorization.

11323144236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55505633 (or 55505631 counting only the distinct ones).

The product of its digits is 10368, while the sum is 30.

Adding to 11323144236 its reverse (63244132311), we get a palindrome (74567276547).

The spelling of 11323144236 in words is "eleven billion, three hundred twenty-three million, one hundred forty-four thousand, two hundred thirty-six".