4166423 has 4 divisors (see below), whose sum is σ = 4203408. Its totient is φ = 4129440.

The previous prime is 4166419. The next prime is 4166447. The reversal of 4166423 is 3246614.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4166423 - 2² = 4166419 is a prime.

It is a super-2 number, since 2×4166423² = 34718161229858, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4166392 and 4166401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4166023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18323 + ... + 18548.

It is an arithmetic number, because the mean of its divisors is an integer number (1050852).

Almost surely, 2^4166423 is an apocalyptic number.

4166423 is a deficient number, since it is larger than the sum of its proper divisors (36985).

4166423 is a wasteful number, since it uses less digits than its factorization.

4166423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36984.

The product of its digits is 3456, while the sum is 26.

The square root of 4166423 is about 2041.1817655466. The cubic root of 4166423 is about 160.9117606054.

The spelling of 4166423 in words is "four million, one hundred sixty-six thousand, four hundred twenty-three".