11523005300 has 72 divisors (see below), whose sum is σ = 25181513280. Its totient is φ = 4576780800.

The previous prime is 11523005231. The next prime is 11523005303. The reversal of 11523005300 is 350032511.

It is a super-2 number, since 2×11523005300² (a number of 21 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 not an unprimeable number, because it can be changed into a prime (11523005303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15592331 + ... + 15593069.

It is an arithmetic number, because the mean of its divisors is an integer number (349743240).

Almost surely, 2^11523005300 is an apocalyptic number.

11523005300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11523005300 is an abundant number, since it is smaller than the sum of its proper divisors (13658507980).

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

11523005300 is a wasteful number, since it uses less digits than its factorization.

11523005300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1641 (or 1634 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 20.

Adding to 11523005300 its reverse (350032511), we get a palindrome (11873037811).

The spelling of 11523005300 in words is "eleven billion, five hundred twenty-three million, five thousand, three hundred".