2173623 has 8 divisors (see below), whose sum is σ = 2906736. Its totient is φ = 1444800.

The previous prime is 2173601. The next prime is 2173643. The reversal of 2173623 is 3263712.

2173623 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2173623 - 2⁹ = 2173111 is a prime.

It is a super-2 number, since 2×2173623² = 9449273892258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2173593 and 2173602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2173643) 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, 403 + ... + 2123.

It is an arithmetic number, because the mean of its divisors is an integer number (363342).

2^2173623 is an apocalyptic number.

2173623 is a deficient number, since it is larger than the sum of its proper divisors (733113).

2173623 is a wasteful number, since it uses less digits than its factorization.

2173623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2145.

The product of its digits is 1512, while the sum is 24.

The square root of 2173623 is about 1474.3211997391. The cubic root of 2173623 is about 129.5372700725.

The spelling of 2173623 in words is "two million, one hundred seventy-three thousand, six hundred twenty-three".