11231230208 has 144 divisors (see below), whose sum is σ = 25079978112. Its totient is φ = 4976640000.

The previous prime is 11231230193. The next prime is 11231230223. The reversal of 11231230208 is 80203213211.

It is a happy number.

11231230208 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11231230193) and next prime (11231230223).

It is a super-2 number, since 2×11231230208² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

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, 25937960 + ... + 25938392.

Almost surely, 2^11231230208 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11231230208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12539989056).

11231230208 is an abundant number, since it is smaller than the sum of its proper divisors (13848747904).

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

11231230208 is a wasteful number, since it uses less digits than its factorization.

11231230208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672 (or 658 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 11231230208 its reverse (80203213211), we get a palindrome (91434443419).

The spelling of 11231230208 in words is "eleven billion, two hundred thirty-one million, two hundred thirty thousand, two hundred eight".