723415992 has 96 divisors (see below), whose sum is σ = 1992211200. Its totient is φ = 218744448.

The previous prime is 723415867. The next prime is 723415993. The reversal of 723415992 is 299514327.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (723415993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 237793 + ... + 240815.

It is an arithmetic number, because the mean of its divisors is an integer number (20752200).

Almost surely, 2^723415992 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 723415992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (996105600).

723415992 is an abundant number, since it is smaller than the sum of its proper divisors (1268795208).

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

723415992 is a wasteful number, since it uses less digits than its factorization.

723415992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3117 (or 3100 counting only the distinct ones).

The product of its digits is 136080, while the sum is 42.

The square root of 723415992 is about 26896.3936616045. The cubic root of 723415992 is about 897.6961619422.

The spelling of 723415992 in words is "seven hundred twenty-three million, four hundred fifteen thousand, nine hundred ninety-two".