11231023232 has 128 divisors (see below), whose sum is σ = 27135198720. Its totient is φ = 4560076800.

The previous prime is 11231023217. The next prime is 11231023249. The reversal of 11231023232 is 23232013211.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×11231023232² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 557528 + ... + 577320.

It is an arithmetic number, because the mean of its divisors is an integer number (211993740).

Almost surely, 2^11231023232 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 11231023232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13567599360).

11231023232 is an abundant number, since it is smaller than the sum of its proper divisors (15904175488).

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

11231023232 is a wasteful number, since it uses less digits than its factorization.

11231023232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19862 (or 19850 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 11231023232 its reverse (23232013211), we get a palindrome (34463036443).

The spelling of 11231023232 in words is "eleven billion, two hundred thirty-one million, twenty-three thousand, two hundred thirty-two".