718723 has 2 divisors, whose sum is σ = 718724. Its totient is φ = 718722.

The previous prime is 718717. The next prime is 718741. The reversal of 718723 is 327817.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 718723 - 2⁵ = 718691 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 718691 and 718700.

It is not a weakly prime, because it can be changed into another prime (718703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 359361 + 359362.

It is an arithmetic number, because the mean of its divisors is an integer number (359362).

2⁷¹⁸⁷²³ is an apocalyptic number.

718723 is a deficient number, since it is larger than the sum of its proper divisors (1).

718723 is an equidigital number, since it uses as much as digits as its factorization.

718723 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2352, while the sum is 28.

The square root of 718723 is about 847.7753240098. The cubic root of 718723 is about 89.5750751116.

It can be divided in two parts, 718 and 723, that added together give a palindrome (1441).

The spelling of 718723 in words is "seven hundred eighteen thousand, seven hundred twenty-three".