11523394224 has 60 divisors (see below), whose sum is σ = 32304122136. Its totient is φ = 3834625536.

The previous prime is 11523394193. The next prime is 11523394229. The reversal of 11523394224 is 42249332511.

11523394224 is a `hidden beast` number, since 115 + 233 + 94 + 224 = 666.

It is a super-2 number, since 2×11523394224² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (11523394229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17919 + ... + 152865.

Almost surely, 2^11523394224 is an apocalyptic number.

It is an amenable number.

11523394224 is an abundant number, since it is smaller than the sum of its proper divisors (20780727912).

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

11523394224 is a wasteful number, since it uses less digits than its factorization.

11523394224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135554 (or 135545 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The spelling of 11523394224 in words is "eleven billion, five hundred twenty-three million, three hundred ninety-four thousand, two hundred twenty-four".