2117423 has 16 divisors (see below), whose sum is σ = 2674944. Its totient is φ = 1628160.

The previous prime is 2117419. The next prime is 2117429. The reversal of 2117423 is 3247112.

2117423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2117423 - 2² = 2117419 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2117395 and 2117404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2117429) 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 15 ways as a sum of consecutive naturals, for example, 8111 + ... + 8367.

It is an arithmetic number, because the mean of its divisors is an integer number (167184).

2^2117423 is an apocalyptic number.

2117423 is a deficient number, since it is larger than the sum of its proper divisors (557521).

2117423 is a wasteful number, since it uses less digits than its factorization.

2117423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382.

The product of its digits is 336, while the sum is 20.

The square root of 2117423 is about 1455.1367633319. The cubic root of 2117423 is about 128.4110928457.

The spelling of 2117423 in words is "two million, one hundred seventeen thousand, four hundred twenty-three".