11230321320 has 96 divisors (see below), whose sum is σ = 38085465600. Its totient is φ = 2864543616.

The previous prime is 11230321303. The next prime is 11230321331. The reversal of 11230321320 is 2312303211.

11230321320 is a `hidden beast` number, since 1 + 1 + 23 + 0 + 321 + 320 = 666.

It is a super-2 number, since 2×11230321320² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 11230321293 and 11230321302.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 669880 + ... + 686439.

It is an arithmetic number, because the mean of its divisors is an integer number (396723600).

Almost surely, 2^11230321320 is an apocalyptic number.

11230321320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11230321320 is an abundant number, since it is smaller than the sum of its proper divisors (26855144280).

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

11230321320 is a wasteful number, since it uses less digits than its factorization.

11230321320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1356359 (or 1356352 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 11230321320 its reverse (2312303211), we get a palindrome (13542624531).

The spelling of 11230321320 in words is "eleven billion, two hundred thirty million, three hundred twenty-one thousand, three hundred twenty".