723104000 has 144 divisors (see below), whose sum is σ = 1836656640. Its totient is φ = 283596800.

The previous prime is 723103991. The next prime is 723104017. The reversal of 723104000 is 401327.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 723104000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1887809 + ... + 1888191.

It is an arithmetic number, because the mean of its divisors is an integer number (12754560).

Almost surely, 2^723104000 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 723104000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (918328320).

723104000 is an abundant number, since it is smaller than the sum of its proper divisors (1113552640).

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

723104000 is an equidigital number, since it uses as much as digits as its factorization.

723104000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473 (or 449 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 723104000 is about 26890.5931507656. The cubic root of 723104000 is about 897.5670917637.

Adding to 723104000 its reverse (401327), we get a palindrome (723505327).

The spelling of 723104000 in words is "seven hundred twenty-three million, one hundred four thousand".