723238032 has 80 divisors (see below), whose sum is σ = 2087991360. Its totient is φ = 213811200.

The previous prime is 723238007. The next prime is 723238039. The reversal of 723238032 is 230832327.

723238032 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (723238039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4944 + ... + 38352.

It is an arithmetic number, because the mean of its divisors is an integer number (26099892).

Almost surely, 2^723238032 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 723238032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1043995680).

723238032 is an abundant number, since it is smaller than the sum of its proper divisors (1364753328).

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

723238032 is a wasteful number, since it uses less digits than its factorization.

723238032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33472 (or 33466 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 30.

The square root of 723238032 is about 26893.0852079117. The cubic root of 723238032 is about 897.6225449582.

The spelling of 723238032 in words is "seven hundred twenty-three million, two hundred thirty-eight thousand, thirty-two".