1673623 has 8 divisors (see below), whose sum is σ = 1953792. Its totient is φ = 1403736.

The previous prime is 1673591. The next prime is 1673627. The reversal of 1673623 is 3263761.

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 1673623 - 2⁵ = 1673591 is a prime.

It is a super-2 number, since 2×1673623² = 5602027892258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1673591 and 1673600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1673627) 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 in 7 ways as a sum of consecutive naturals, for example, 2215 + ... + 2872.

It is an arithmetic number, because the mean of its divisors is an integer number (244224).

2^1673623 is an apocalyptic number.

1673623 is a deficient number, since it is larger than the sum of its proper divisors (280169).

1673623 is an equidigital number, since it uses as much as digits as its factorization.

1673623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5141.

The product of its digits is 4536, while the sum is 28.

The square root of 1673623 is about 1293.6858196641. The cubic root of 1673623 is about 118.7278340899.

The spelling of 1673623 in words is "one million, six hundred seventy-three thousand, six hundred twenty-three".