11323200040 has 32 divisors (see below), whose sum is σ = 25490690280. Its totient is φ = 4526881792.

The previous prime is 11323200029. The next prime is 11323200041. The reversal of 11323200040 is 4000232311.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 9631852164 + 1691347876 = 98142^2 + 41126^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11323199987 and 11323200023.

It is not an unprimeable number, because it can be changed into a prime (11323200041) 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, 2532 + ... + 150508.

Almost surely, 2^11323200040 is an apocalyptic number.

11323200040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11323200040 is an abundant number, since it is smaller than the sum of its proper divisors (14167490240).

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

11323200040 is a wasteful number, since it uses less digits than its factorization.

11323200040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149901 (or 149897 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 11323200040 its reverse (4000232311), we get a palindrome (15323432351).

The spelling of 11323200040 in words is "eleven billion, three hundred twenty-three million, two hundred thousand, forty".