723741589 has 2 divisors, whose sum is σ = 723741590. Its totient is φ = 723741588.

The previous prime is 723741569. The next prime is 723741703. The reversal of 723741589 is 985147327.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 637158564 + 86583025 = 25242^2 + 9305^2 .

It is a cyclic number.

It is not a de Polignac number, because 723741589 - 2⁷ = 723741461 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (723741509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361870794 + 361870795.

It is an arithmetic number, because the mean of its divisors is an integer number (361870795).

Almost surely, 2^723741589 is an apocalyptic number.

It is an amenable number.

723741589 is a deficient number, since it is larger than the sum of its proper divisors (1).

723741589 is an equidigital number, since it uses as much as digits as its factorization.

723741589 is an evil number, because the sum of its binary digits is even.

The product of its digits is 423360, while the sum is 46.

The square root of 723741589 is about 26902.4457810066. The cubic root of 723741589 is about 897.8308209030.

The spelling of 723741589 in words is "seven hundred twenty-three million, seven hundred forty-one thousand, five hundred eighty-nine".