723023660 has 36 divisors (see below), whose sum is σ = 1560554352. Its totient is φ = 281382336.

The previous prime is 723023597. The next prime is 723023669. The reversal of 723023660 is 66320327.

723023660 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 (723023669) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14177 + ... + 40583.

It is an arithmetic number, because the mean of its divisors is an integer number (43348732).

Almost surely, 2^723023660 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 723023660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (780277176).

723023660 is an abundant number, since it is smaller than the sum of its proper divisors (837530692).

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

723023660 is a wasteful number, since it uses less digits than its factorization.

723023660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26490 (or 26451 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 29.

The square root of 723023660 is about 26889.0992783321. The cubic root of 723023660 is about 897.5338493297.

Adding to 723023660 its reverse (66320327), we get a palindrome (789343987).

The spelling of 723023660 in words is "seven hundred twenty-three million, twenty-three thousand, six hundred sixty".