723401478 has 48 divisors (see below), whose sum is σ = 1677873600. Its totient is φ = 224564400.

The previous prime is 723401429. The next prime is 723401509. The reversal of 723401478 is 874104327.

It is a happy number.

723401478 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2253 + ... + 38103.

It is an arithmetic number, because the mean of its divisors is an integer number (34955700).

Almost surely, 2^723401478 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 723401478, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (838936800).

723401478 is an abundant number, since it is smaller than the sum of its proper divisors (954472122).

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

723401478 is a wasteful number, since it uses less digits than its factorization.

723401478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35937 (or 35934 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 723401478 is about 26896.1238471271. The cubic root of 723401478 is about 897.6901583659.

The spelling of 723401478 in words is "seven hundred twenty-three million, four hundred one thousand, four hundred seventy-eight".