723223066220 has 48 divisors (see below), whose sum is σ = 1589964380928. Its totient is φ = 275810040000.

The previous prime is 723223066217. The next prime is 723223066231. The reversal of 723223066220 is 22660322327.

It is an unprimeable number.

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, 2419406 + ... + 2701845.

It is an arithmetic number, because the mean of its divisors is an integer number (33124257936).

Almost surely, 2^723223066220 is an apocalyptic number.

It is an amenable number.

723223066220 is an abundant number, since it is smaller than the sum of its proper divisors (866741314708).

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

723223066220 is a wasteful number, since it uses less digits than its factorization.

723223066220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5121590 (or 5121588 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 35.

Adding to 723223066220 its reverse (22660322327), we get a palindrome (745883388547).

The spelling of 723223066220 in words is "seven hundred twenty-three billion, two hundred twenty-three million, sixty-six thousand, two hundred twenty".