2102343 has 4 divisors (see below), whose sum is σ = 2803128. Its totient is φ = 1401560.

The previous prime is 2102341. The next prime is 2102383. The reversal of 2102343 is 3432012.

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

It is a cyclic number.

It is not a de Polignac number, because 2102343 - 2¹ = 2102341 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 350388 + ... + 350393.

It is an arithmetic number, because the mean of its divisors is an integer number (700782).

2^2102343 is an apocalyptic number.

2102343 is a deficient number, since it is larger than the sum of its proper divisors (700785).

2102343 is an equidigital number, since it uses as much as digits as its factorization.

2102343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700784.

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

The square root of 2102343 is about 1449.9458610583. The cubic root of 2102343 is about 128.1055241466.

Adding to 2102343 its reverse (3432012), we get a palindrome (5534355).

The spelling of 2102343 in words is "two million, one hundred two thousand, three hundred forty-three".