5223181320 has 1280 divisors, whose sum is σ = 24086937600. Its totient is φ = 985374720.

The previous prime is 5223181277. The next prime is 5223181321. The reversal of 5223181320 is 231813225.

5223181320 is a `hidden beast` number, since 5 + 22 + 318 + 1 + 320 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (5223181321) by changing a digit.

It is a polite number, since it can be written in 319 ways as a sum of consecutive naturals, for example, 168489705 + ... + 168489735.

It is an arithmetic number, because the mean of its divisors is an integer number (18817920).

Almost surely, 2^5223181320 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5223181320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12043468800).

5223181320 is an abundant number, since it is smaller than the sum of its proper divisors (18863756280).

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

5223181320 is a wasteful number, since it uses less digits than its factorization.

5223181320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120 (or 107 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 5223181320 is about 72271.5803065078. The cubic root of 5223181320 is about 1735.0488260945.

Adding to 5223181320 its reverse (231813225), we get a palindrome (5454994545).

The spelling of 5223181320 in words is "five billion, two hundred twenty-three million, one hundred eighty-one thousand, three hundred twenty".