1422043543 has 8 divisors (see below), whose sum is σ = 1503486720. Its totient is φ = 1341260280.

The previous prime is 1422043537. The next prime is 1422043559. The reversal of 1422043543 is 3453402241.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1422043543 - 2⁹ = 1422043031 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1422043643) 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, 160543 + ... + 169168.

It is an arithmetic number, because the mean of its divisors is an integer number (187935840).

Almost surely, 2^1422043543 is an apocalyptic number.

1422043543 is a deficient number, since it is larger than the sum of its proper divisors (81443177).

1422043543 is a wasteful number, since it uses less digits than its factorization.

1422043543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329957.

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 1422043543 is about 37709.9926146903. The cubic root of 1422043543 is about 1124.5297901302.

Adding to 1422043543 its reverse (3453402241), we get a palindrome (4875445784).

The spelling of 1422043543 in words is "one billion, four hundred twenty-two million, forty-three thousand, five hundred forty-three".