4173623 has 12 divisors (see below), whose sum is σ = 4456584. Its totient is φ = 3906000.

The previous prime is 4173613. The next prime is 4173641. The reversal of 4173623 is 3263714.

It is not a de Polignac number, because 4173623 - 2⁴ = 4173607 is a prime.

It is a super-2 number, since 2×4173623² = 34838257892258, 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 = 4173592 and 4173601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4173613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41273 + ... + 41373.

It is an arithmetic number, because the mean of its divisors is an integer number (371382).

Almost surely, 2^4173623 is an apocalyptic number.

4173623 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

4173623 is a deficient number, since it is larger than the sum of its proper divisors (282961).

4173623 is a wasteful number, since it uses less digits than its factorization.

4173623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206 (or 175 counting only the distinct ones).

The product of its digits is 3024, while the sum is 26.

The square root of 4173623 is about 2042.9446884338. The cubic root of 4173623 is about 161.0043978583.

Subtracting from 4173623 its reverse (3263714), we obtain a palindrome (909909).

The spelling of 4173623 in words is "four million, one hundred seventy-three thousand, six hundred twenty-three".