11323204040 has 32 divisors (see below), whose sum is σ = 25534759680. Its totient is φ = 4519050432.

The previous prime is 11323204003. The next prime is 11323204051. The reversal of 11323204040 is 4040232311.

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 301784 + ... + 337223.

It is an arithmetic number, because the mean of its divisors is an integer number (797961240).

Almost surely, 2^11323204040 is an apocalyptic number.

11323204040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11323204040 is an abundant number, since it is smaller than the sum of its proper divisors (14211555640).

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

11323204040 is a wasteful number, since it uses less digits than its factorization.

11323204040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639461 (or 639457 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 11323204040 its reverse (4040232311), we get a palindrome (15363436351).

The spelling of 11323204040 in words is "eleven billion, three hundred twenty-three million, two hundred four thousand, forty".