723381120 has 576 divisors, whose sum is σ = 3183513840. Its totient is φ = 149667840.

The previous prime is 723381107. The next prime is 723381137. The reversal of 723381120 is 21183327.

723381120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (576).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3104524 + ... + 3104756.

Almost surely, 2^723381120 is an apocalyptic number.

723381120 is a gapful number since it is divisible by the number (70) 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 723381120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1591756920).

723381120 is an abundant number, since it is smaller than the sum of its proper divisors (2460132720).

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

723381120 is a wasteful number, since it uses less digits than its factorization.

723381120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283 (or 261 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 723381120 is about 26895.7453884439. The cubic root of 723381120 is about 897.6817373401.

The spelling of 723381120 in words is "seven hundred twenty-three million, three hundred eighty-one thousand, one hundred twenty".