723200000 has 144 divisors (see below), whose sum is σ = 1823437980. Its totient is φ = 286720000.

The previous prime is 723199987. The next prime is 723200011. The reversal of 723200000 is 2327.

It can be written as a sum of positive squares in 6 ways, for example, as 286557184 + 436642816 = 16928^2 + 20896^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6399944 + ... + 6400056.

Almost surely, 2^723200000 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 723200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (911718990).

723200000 is an abundant number, since it is smaller than the sum of its proper divisors (1100237980).

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

723200000 is an frugal number, since it uses more digits than its factorization.

723200000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160 (or 120 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 14.

The square root of 723200000 is about 26892.3781023546. The cubic root of 723200000 is about 897.6068106367.

Adding to 723200000 its reverse (2327), we get a palindrome (723202327).

The spelling of 723200000 in words is "seven hundred twenty-three million, two hundred thousand".