11323201340 has 24 divisors (see below), whose sum is σ = 25940425392. Its totient is φ = 4117527680.

The previous prime is 11323201333. The next prime is 11323201343. The reversal of 11323201340 is 4310232311.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11323201343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25734329 + ... + 25734768.

It is an arithmetic number, because the mean of its divisors is an integer number (1080851058).

Almost surely, 2^11323201340 is an apocalyptic number.

11323201340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11323201340 is an abundant number, since it is smaller than the sum of its proper divisors (14617224052).

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

11323201340 is a wasteful number, since it uses less digits than its factorization.

11323201340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51469117 (or 51469115 counting only the distinct ones).

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

Adding to 11323201340 its reverse (4310232311), we get a palindrome (15633433651).

The spelling of 11323201340 in words is "eleven billion, three hundred twenty-three million, two hundred one thousand, three hundred forty".