723810816 has 200 divisors, whose sum is σ = 2234035584. Its totient is φ = 233072640.

The previous prime is 723810803. The next prime is 723810869. The reversal of 723810816 is 618018327.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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 19 ways as a sum of consecutive naturals, for example, 1285351 + ... + 1285913.

Almost surely, 2^723810816 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 723810816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1117017792).

723810816 is an abundant number, since it is smaller than the sum of its proper divisors (1510224768).

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

723810816 is an equidigital number, since it uses as much as digits as its factorization.

723810816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624 (or 599 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 723810816 is about 26903.7323804709. The cubic root of 723810816 is about 897.8594462916.

The spelling of 723810816 in words is "seven hundred twenty-three million, eight hundred ten thousand, eight hundred sixteen".