2164423 has 8 divisors (see below), whose sum is σ = 2412720. Its totient is φ = 1929600.

The previous prime is 2164417. The next prime is 2164429. The reversal of 2164423 is 3244612.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2164417) and next prime (2164429).

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 2164423 - 2⁹ = 2163911 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2164394 and 2164403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2164429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3028 + ... + 3673.

It is an arithmetic number, because the mean of its divisors is an integer number (301590).

2^2164423 is an apocalyptic number.

2164423 is a deficient number, since it is larger than the sum of its proper divisors (248297).

2164423 is a wasteful number, since it uses less digits than its factorization.

2164423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6737.

The product of its digits is 1152, while the sum is 22.

The square root of 2164423 is about 1471.1978113089. The cubic root of 2164423 is about 129.3542533264.

The spelling of 2164423 in words is "two million, one hundred sixty-four thousand, four hundred twenty-three".