723145116 has 72 divisors (see below), whose sum is σ = 1867927824. Its totient is φ = 216972800.

The previous prime is 723145103. The next prime is 723145177. The reversal of 723145116 is 611541327.

It is a congruent number.

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, 104566 + ... + 111266.

It is an arithmetic number, because the mean of its divisors is an integer number (25943442).

Almost surely, 2^723145116 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 723145116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (933963912).

723145116 is an abundant number, since it is smaller than the sum of its proper divisors (1144782708).

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

723145116 is a wasteful number, since it uses less digits than its factorization.

723145116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6771 (or 6746 counting only the distinct ones).

The product of its digits is 5040, while the sum is 30.

The square root of 723145116 is about 26891.3576451618. The cubic root of 723145116 is about 897.5841034564.

The spelling of 723145116 in words is "seven hundred twenty-three million, one hundred forty-five thousand, one hundred sixteen".