5231223216 has 160 divisors (see below), whose sum is σ = 15715184640. Its totient is φ = 1664064000.

The previous prime is 5231223211. The next prime is 5231223223. The reversal of 5231223216 is 6123221325.

It is a happy number.

5231223216 is a `hidden beast` number, since 523 + 122 + 3 + 2 + 16 = 666.

It is a super-3 number, since 3×5231223216³ (a number of 30 digits) contains 333 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 5231223216.

It is not an unprimeable number, because it can be changed into a prime (5231223211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 974941 + ... + 980291.

It is an arithmetic number, because the mean of its divisors is an integer number (98219904).

Almost surely, 2^5231223216 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 5231223216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7857592320).

5231223216 is an abundant number, since it is smaller than the sum of its proper divisors (10483961424).

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

5231223216 is a wasteful number, since it uses less digits than its factorization.

5231223216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5472 (or 5460 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 5231223216 is about 72327.1955491155. The cubic root of 5231223216 is about 1735.9388282154.

The spelling of 5231223216 in words is "five billion, two hundred thirty-one million, two hundred twenty-three thousand, two hundred sixteen".