11321023032 has 96 divisors (see below), whose sum is σ = 33491718000. Its totient is φ = 3426178560.

The previous prime is 11321022991. The next prime is 11321023097. The reversal of 11321023032 is 23032012311.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 11321022996 and 11321023014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 631894 + ... + 649562.

Almost surely, 2^11321023032 is an apocalyptic number.

11321023032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11321023032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16745859000).

11321023032 is an abundant number, since it is smaller than the sum of its proper divisors (22170694968).

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

11321023032 is a wasteful number, since it uses less digits than its factorization.

11321023032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18501 (or 18494 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 11321023032 its reverse (23032012311), we get a palindrome (34353035343).

The spelling of 11321023032 in words is "eleven billion, three hundred twenty-one million, twenty-three thousand, thirty-two".