1673823 has 8 divisors (see below), whose sum is σ = 2257200. Its totient is φ = 1103168.

The previous prime is 1673813. The next prime is 1673827. The reversal of 1673823 is 3283761.

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 1673823 - 2⁴ = 1673807 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1673827) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2868 + ... + 3401.

It is an arithmetic number, because the mean of its divisors is an integer number (282150).

2^1673823 is an apocalyptic number.

1673823 is a deficient number, since it is larger than the sum of its proper divisors (583377).

1673823 is an equidigital number, since it uses as much as digits as its factorization.

1673823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6361.

The product of its digits is 6048, while the sum is 30.

The square root of 1673823 is about 1293.7631158755. The cubic root of 1673823 is about 118.7325632754.

It can be divided in two parts, 16738 and 23, that added together give a palindrome (16761).

The spelling of 1673823 in words is "one million, six hundred seventy-three thousand, eight hundred twenty-three".