2117343 has 4 divisors (see below), whose sum is σ = 2823128. Its totient is φ = 1411560.

The previous prime is 2117321. The next prime is 2117351. The reversal of 2117343 is 3437112.

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

It is a de Polignac number, because none of the positive numbers 2^k-2117343 is a prime.

It is a d-powerful number, because it can be written as 2²¹ + 1 + 1 + 7 + 3⁵ + 4⁴ + 3⁹ .

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2117743) 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, 352888 + ... + 352893.

It is an arithmetic number, because the mean of its divisors is an integer number (705782).

2^2117343 is an apocalyptic number.

2117343 is a deficient number, since it is larger than the sum of its proper divisors (705785).

2117343 is an equidigital number, since it uses as much as digits as its factorization.

2117343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 705784.

The product of its digits is 504, while the sum is 21.

The square root of 2117343 is about 1455.1092742471. The cubic root of 2117343 is about 128.4094756257.

The spelling of 2117343 in words is "two million, one hundred seventeen thousand, three hundred forty-three".