11520323230 has 32 divisors (see below), whose sum is σ = 23052089088. Its totient is φ = 4116441600.

The previous prime is 11520323209. The next prime is 11520323233. The reversal of 11520323230 is 3232302511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11520323233) 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 15 ways as a sum of consecutive naturals, for example, 1425291 + ... + 1433350.

It is an arithmetic number, because the mean of its divisors is an integer number (720377784).

Almost surely, 2^11520323230 is an apocalyptic number.

11520323230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11520323230 is an abundant number, since it is smaller than the sum of its proper divisors (11531765858).

11520323230 is a wasteful number, since it uses less digits than its factorization.

11520323230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2858692.

The product of its (nonzero) digits is 1080, while the sum is 22.

Adding to 11520323230 its reverse (3232302511), we get a palindrome (14752625741).

The spelling of 11520323230 in words is "eleven billion, five hundred twenty million, three hundred twenty-three thousand, two hundred thirty".