723795133 has 2 divisors, whose sum is σ = 723795134. Its totient is φ = 723795132.

The previous prime is 723795131. The next prime is 723795169. The reversal of 723795133 is 331597327.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 721352164 + 2442969 = 26858^2 + 1563^2 .

It is an emirp because it is prime and its reverse (331597327) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 723795133 - 2¹ = 723795131 is a prime.

Together with 723795131, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (723795131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361897566 + 361897567.

It is an arithmetic number, because the mean of its divisors is an integer number (361897567).

Almost surely, 2^723795133 is an apocalyptic number.

It is an amenable number.

723795133 is a deficient number, since it is larger than the sum of its proper divisors (1).

723795133 is an equidigital number, since it uses as much as digits as its factorization.

723795133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 119070, while the sum is 40.

The square root of 723795133 is about 26903.4409137567. The cubic root of 723795133 is about 897.8529615255.

The spelling of 723795133 in words is "seven hundred twenty-three million, seven hundred ninety-five thousand, one hundred thirty-three".