703123 has 2 divisors, whose sum is σ = 703124. Its totient is φ = 703122.

The previous prime is 703121. The next prime is 703127. The reversal of 703123 is 321307.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 703123 - 2¹ = 703121 is a prime.

Together with 703121, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 703097 and 703106.

It is not a weakly prime, because it can be changed into another prime (703121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 351561 + 351562.

It is an arithmetic number, because the mean of its divisors is an integer number (351562).

2⁷⁰³¹²³ is an apocalyptic number.

703123 is a deficient number, since it is larger than the sum of its proper divisors (1).

703123 is an equidigital number, since it uses as much as digits as its factorization.

703123 is an odious number, because the sum of its binary digits is odd.

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

The square root of 703123 is about 838.5242989920. The cubic root of 703123 is about 88.9222483006.

The spelling of 703123 in words is "seven hundred three thousand, one hundred twenty-three", and thus it is an iban number.