1421435343 has 8 divisors (see below), whose sum is σ = 1956384256. Its totient is φ = 917055000.

The previous prime is 1421435303. The next prime is 1421435357. The reversal of 1421435343 is 3435341241.

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

It is not a de Polignac number, because 1421435343 - 2²⁰ = 1420386767 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1421435343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421435303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7642033 + ... + 7642218.

It is an arithmetic number, because the mean of its divisors is an integer number (244548032).

Almost surely, 2^1421435343 is an apocalyptic number.

1421435343 is a deficient number, since it is larger than the sum of its proper divisors (534948913).

1421435343 is a wasteful number, since it uses less digits than its factorization.

1421435343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15284285.

The product of its digits is 17280, while the sum is 30.

The square root of 1421435343 is about 37701.9275767168. The cubic root of 1421435343 is about 1124.3694489202.

Adding to 1421435343 its reverse (3435341241), we get a palindrome (4856776584).

The spelling of 1421435343 in words is "one billion, four hundred twenty-one million, four hundred thirty-five thousand, three hundred forty-three".