723103 has 2 divisors, whose sum is σ = 723104. Its totient is φ = 723102.

The previous prime is 723101. The next prime is 723109. The reversal of 723103 is 301327.

723103 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 is a cyclic number.

It is not a de Polignac number, because 723103 - 2¹ = 723101 is a prime.

Together with 723101, 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 (723101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361551 + 361552.

It is an arithmetic number, because the mean of its divisors is an integer number (361552).

2⁷²³¹⁰³ is an apocalyptic number.

723103 is a deficient number, since it is larger than the sum of its proper divisors (1).

723103 is an equidigital number, since it uses as much as digits as its factorization.

723103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 126, while the sum is 16.

The square root of 723103 is about 850.3546319037. The cubic root of 723103 is about 89.7566678007.

The spelling of 723103 in words is "seven hundred twenty-three thousand, one hundred three", and thus it is an iban number.