5166423 has 28 divisors (see below), whose sum is σ = 8175640. Its totient is φ = 3254256.

The previous prime is 5166401. The next prime is 5166443. The reversal of 5166423 is 3246615.

5166423 is a `hidden beast` number, since 5 + 16 + 642 + 3 = 666.

It is not a de Polignac number, because 5166423 - 2⁵ = 5166391 is a prime.

It is a super-2 number, since 2×5166423² = 53383853229858, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5166443) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 13665 + ... + 14037.

Almost surely, 2^5166423 is an apocalyptic number.

5166423 is a deficient number, since it is larger than the sum of its proper divisors (3009217).

5166423 is an equidigital number, since it uses as much as digits as its factorization.

5166423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410 (or 395 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 5166423 is about 2272.9766826785. The cubic root of 5166423 is about 172.8741218470.

The spelling of 5166423 in words is "five million, one hundred sixty-six thousand, four hundred twenty-three".