201323143342 has 8 divisors (see below), whose sum is σ = 303671781000. Its totient is φ = 100099216344.

The previous prime is 201323143319. The next prime is 201323143379. The reversal of 201323143342 is 243341323102.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 201323143342.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 281177217 + ... + 281177932.

It is an arithmetic number, because the mean of its divisors is an integer number (37958972625).

Almost surely, 2^201323143342 is an apocalyptic number.

201323143342 is a deficient number, since it is larger than the sum of its proper divisors (102348637658).

201323143342 is a wasteful number, since it uses less digits than its factorization.

201323143342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562355330.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 201323143342 its reverse (243341323102), we get a palindrome (444664466444).

The spelling of 201323143342 in words is "two hundred one billion, three hundred twenty-three million, one hundred forty-three thousand, three hundred forty-two".