703823 has 8 divisors (see below), whose sum is σ = 746496. Its totient is φ = 662200.

The previous prime is 703819. The next prime is 703837. The reversal of 703823 is 328307.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 703823 - 2² = 703819 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (703873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1418 + ... + 1848.

It is an arithmetic number, because the mean of its divisors is an integer number (93312).

2⁷⁰³⁸²³ is an apocalyptic number.

703823 is a deficient number, since it is larger than the sum of its proper divisors (42673).

703823 is a wasteful number, since it uses less digits than its factorization.

703823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 703823 is about 838.9415951066. The cubic root of 703823 is about 88.9517476101.

The spelling of 703823 in words is "seven hundred three thousand, eight hundred twenty-three".