723101 has 2 divisors, whose sum is σ = 723102. Its totient is φ = 723100.

The previous prime is 723089. The next prime is 723103. The reversal of 723101 is 101327.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 648025 + 75076 = 805^2 + 274^2 .

It is a cyclic number.

It is not a de Polignac number, because 723101 - 2¹⁰ = 722077 is a prime.

Together with 723103, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 723101.

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, 361550 + 361551.

It is an arithmetic number, because the mean of its divisors is an integer number (361551).

2⁷²³¹⁰¹ is an apocalyptic number.

It is an amenable number.

723101 is a deficient number, since it is larger than the sum of its proper divisors (1).

723101 is an equidigital number, since it uses as much as digits as its factorization.

723101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42, while the sum is 14.

The square root of 723101 is about 850.3534559229. The cubic root of 723101 is about 89.7565850492.

Adding to 723101 its reverse (101327), we get a palindrome (824428).

The spelling of 723101 in words is "seven hundred twenty-three thousand, one hundred one", and thus it is an iban number.