2104021343 has 4 divisors (see below), whose sum is σ = 2104157568. Its totient is φ = 2103885120.

The previous prime is 2104021307. The next prime is 2104021351. The reversal of 2104021343 is 3431204012.

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 2104021343 - 2¹⁶ = 2103955807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2104021363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41471 + ... + 76992.

It is an arithmetic number, because the mean of its divisors is an integer number (526039392).

Almost surely, 2^2104021343 is an apocalyptic number.

2104021343 is a deficient number, since it is larger than the sum of its proper divisors (136225).

2104021343 is a wasteful number, since it uses less digits than its factorization.

2104021343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136224.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2104021343 is about 45869.6124138846. The cubic root of 2104021343 is about 1281.3960482399.

Adding to 2104021343 its reverse (3431204012), we get a palindrome (5535225355).

The spelling of 2104021343 in words is "two billion, one hundred four million, twenty-one thousand, three hundred forty-three".