723473 has 2 divisors, whose sum is σ = 723474. Its totient is φ = 723472.

The previous prime is 723467. The next prime is 723479. The reversal of 723473 is 374327.

It is a balanced prime because it is at equal distance from previous prime (723467) and next prime (723479).

It can be written as a sum of positive squares in only one way, i.e., 693889 + 29584 = 833^2 + 172^2 .

It is a cyclic number.

It is not a de Polignac number, because 723473 - 2⁶ = 723409 is a prime.

It is not a weakly prime, because it can be changed into another prime (723479) 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 as a sum of consecutive naturals, namely, 361736 + 361737.

It is an arithmetic number, because the mean of its divisors is an integer number (361737).

2⁷²³⁴⁷³ is an apocalyptic number.

It is an amenable number.

723473 is a deficient number, since it is larger than the sum of its proper divisors (1).

723473 is an equidigital number, since it uses as much as digits as its factorization.

723473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3528, while the sum is 26.

The square root of 723473 is about 850.5721603721. The cubic root of 723473 is about 89.7719741975.

The spelling of 723473 in words is "seven hundred twenty-three thousand, four hundred seventy-three", and thus it is an iban number.