723108320616 has 128 divisors (see below), whose sum is σ = 2095311628800. Its totient is φ = 205650650880.

The previous prime is 723108320593. The next prime is 723108320657. The reversal of 723108320616 is 616023801327.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 136935 + ... + 1210358.

It is an arithmetic number, because the mean of its divisors is an integer number (16369622100).

Almost surely, 2^723108320616 is an apocalyptic number.

723108320616 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 723108320616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1047655814400).

723108320616 is an abundant number, since it is smaller than the sum of its proper divisors (1372203308184).

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

723108320616 is a wasteful number, since it uses less digits than its factorization.

723108320616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1347439 (or 1347435 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 39.

The spelling of 723108320616 in words is "seven hundred twenty-three billion, one hundred eight million, three hundred twenty thousand, six hundred sixteen".