708723 has 8 divisors (see below), whose sum is σ = 1050000. Its totient is φ = 472464.

The previous prime is 708703. The next prime is 708733. The reversal of 708723 is 327807.

708723 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 708723 - 2¹⁶ = 643187 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 26249 = 708723 / (7 + 0 + 8 + 7 + 2 + 3).

708723 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (708703) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13098 + ... + 13151.

It is an arithmetic number, because the mean of its divisors is an integer number (131250).

2⁷⁰⁸⁷²³ is an apocalyptic number.

708723 is a deficient number, since it is larger than the sum of its proper divisors (341277).

708723 is a wasteful number, since it uses less digits than its factorization.

708723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26258 (or 26252 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 708723 is about 841.8568761969. The cubic root of 708723 is about 89.1576971015.

It can be divided in two parts, 708 and 723, that added together give a triangular number (1431 = T₅₃).

The spelling of 708723 in words is "seven hundred eight thousand, seven hundred twenty-three".