723122022112 has 144 divisors (see below), whose sum is σ = 1764263183760. Its totient is φ = 289888284672.

The previous prime is 723122022083. The next prime is 723122022113. The reversal of 723122022112 is 211220221327.

723122022112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (723122022113) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4261714 + ... + 4428142.

It is an arithmetic number, because the mean of its divisors is an integer number (12251827665).

Almost surely, 2^723122022112 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 723122022112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (882131591880).

723122022112 is an abundant number, since it is smaller than the sum of its proper divisors (1041141161648).

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

723122022112 is a wasteful number, since it uses less digits than its factorization.

723122022112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166633 (or 166618 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

Adding to 723122022112 its reverse (211220221327), we get a palindrome (934342243439).

The spelling of 723122022112 in words is "seven hundred twenty-three billion, one hundred twenty-two million, twenty-two thousand, one hundred twelve".