723133 has 2 divisors, whose sum is σ = 723134. Its totient is φ = 723132.

The previous prime is 723127. The next prime is 723157. The reversal of 723133 is 331327.

723133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 683929 + 39204 = 827^2 + 198^2 .

It is a cyclic number.

It is not a de Polignac number, because 723133 - 2⁵ = 723101 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 723133.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (723103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361566 + 361567.

It is an arithmetic number, because the mean of its divisors is an integer number (361567).

2⁷²³¹³³ is an apocalyptic number.

It is an amenable number.

723133 is a deficient number, since it is larger than the sum of its proper divisors (1).

723133 is an equidigital number, since it uses as much as digits as its factorization.

723133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 378, while the sum is 19.

The square root of 723133 is about 850.3722714200. The cubic root of 723133 is about 89.7579090544.

The spelling of 723133 in words is "seven hundred twenty-three thousand, one hundred thirty-three".