723048 has 32 divisors (see below), whose sum is σ = 1848960. Its totient is φ = 235520.

The previous prime is 723043. The next prime is 723049. The reversal of 723048 is 840327.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (723043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 808 + ... + 1448.

It is an arithmetic number, because the mean of its divisors is an integer number (57780).

2⁷²³⁰⁴⁸ 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 723048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (924480).

723048 is an abundant number, since it is smaller than the sum of its proper divisors (1125912).

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

723048 is a wasteful number, since it uses less digits than its factorization.

723048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 697 (or 693 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 723048 is about 850.3222918400. The cubic root of 723048 is about 89.7543920798.

The spelling of 723048 in words is "seven hundred twenty-three thousand, forty-eight".