11323111331000 has 128 divisors (see below), whose sum is σ = 30283475788800. Its totient is φ = 3881922307200.

The previous prime is 11323111330997. The next prime is 11323111331023. The reversal of 11323111331000 is 13311132311.

It is a super-2 number, since 2×11323111331000² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 108636911 + ... + 108741089.

It is an arithmetic number, because the mean of its divisors is an integer number (236589654600).

Almost surely, 2^{11323111331000} is an apocalyptic number.

11323111331000 is a gapful number since it is divisible by the number (10) 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 11323111331000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15141737894400).

11323111331000 is an abundant number, since it is smaller than the sum of its proper divisors (18960364457800).

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

11323111331000 is a wasteful number, since it uses less digits than its factorization.

11323111331000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119734 (or 119720 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 20.

Adding to 11323111331000 its reverse (13311132311), we get a palindrome (11336422463311).

The spelling of 11323111331000 in words is "eleven trillion, three hundred twenty-three billion, one hundred eleven million, three hundred thirty-one thousand".