201422343543 has 8 divisors (see below), whose sum is σ = 277226451456. Its totient is φ = 129949899000.

The previous prime is 201422343523. The next prime is 201422343547. The reversal of 201422343543 is 345343224102.

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

It is a de Polignac number, because none of the positive numbers 2^k-201422343543 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201422343547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1082915733 + ... + 1082915918.

It is an arithmetic number, because the mean of its divisors is an integer number (34653306432).

Almost surely, 2^201422343543 is an apocalyptic number.

201422343543 is a deficient number, since it is larger than the sum of its proper divisors (75804107913).

201422343543 is a wasteful number, since it uses less digits than its factorization.

201422343543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2165831685.

The product of its (nonzero) digits is 69120, while the sum is 33.

Adding to 201422343543 its reverse (345343224102), we get a palindrome (546765567645).

The spelling of 201422343543 in words is "two hundred one billion, four hundred twenty-two million, three hundred forty-three thousand, five hundred forty-three".