2120343 has 8 divisors (see below), whose sum is σ = 2976000. Its totient is φ = 1339128.

The previous prime is 2120341. The next prime is 2120351. The reversal of 2120343 is 3430212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2120343 - 2¹ = 2120341 is a prime.

It is a d-powerful number, because it can be written as 2 + 1 + 2²¹ + 0 + 3⁵ + 4⁷ + 3⁸ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120341) 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, 18543 + ... + 18656.

It is an arithmetic number, because the mean of its divisors is an integer number (372000).

2^2120343 is an apocalyptic number.

2120343 is a deficient number, since it is larger than the sum of its proper divisors (855657).

2120343 is a wasteful number, since it uses less digits than its factorization.

2120343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37221.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 2120343 is about 1456.1397597758. The cubic root of 2120343 is about 128.4700935212.

Adding to 2120343 its reverse (3430212), we get a palindrome (5550555).

The spelling of 2120343 in words is "two million, one hundred twenty thousand, three hundred forty-three".