723353 has 2 divisors, whose sum is σ = 723354. Its totient is φ = 723352.

The previous prime is 723337. The next prime is 723361. The reversal of 723353 is 353327.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 659344 + 64009 = 812^2 + 253^2 .

It is a cyclic number.

It is not a de Polignac number, because 723353 - 2⁴ = 723337 is a prime.

It is a Chen prime.

It is a d-powerful number, because it can be written as 7 + 2¹³ + 3⁸ + 3¹¹ + 5 + 3¹² .

It is not a weakly prime, because it can be changed into another prime (723053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361676 + 361677.

It is an arithmetic number, because the mean of its divisors is an integer number (361677).

2⁷²³³⁵³ is an apocalyptic number.

It is an amenable number.

723353 is a deficient number, since it is larger than the sum of its proper divisors (1).

723353 is an equidigital number, since it uses as much as digits as its factorization.

723353 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1890, while the sum is 23.

The square root of 723353 is about 850.5016166945. The cubic root of 723353 is about 89.7670105326.

The spelling of 723353 in words is "seven hundred twenty-three thousand, three hundred fifty-three".