11523371530 has 32 divisors (see below), whose sum is σ = 22998670848. Its totient is φ = 4121620800.

The previous prime is 11523371521. The next prime is 11523371533. The reversal of 11523371530 is 3517332511.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11523371492 and 11523371501.

It is not an unprimeable number, because it can be changed into a prime (11523371533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 851962 + ... + 865381.

It is an arithmetic number, because the mean of its divisors is an integer number (718708464).

Almost surely, 2^11523371530 is an apocalyptic number.

11523371530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11523371530 is a deficient number, since it is larger than the sum of its proper divisors (11475299318).

11523371530 is a wasteful number, since it uses less digits than its factorization.

11523371530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1717422.

The product of its (nonzero) digits is 9450, while the sum is 31.

The spelling of 11523371530 in words is "eleven billion, five hundred twenty-three million, three hundred seventy-one thousand, five hundred thirty".