201323414242 has 16 divisors (see below), whose sum is σ = 312449322240. Its totient is φ = 97174771792.

The previous prime is 201323414191. The next prime is 201323414267. The reversal of 201323414242 is 242414323102.

It is a super-2 number, since 2×201323414242² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 201323414242.

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 7 ways as a sum of consecutive naturals, for example, 79983 + ... + 639565.

It is an arithmetic number, because the mean of its divisors is an integer number (19528082640).

Almost surely, 2^201323414242 is an apocalyptic number.

201323414242 is a deficient number, since it is larger than the sum of its proper divisors (111125907998).

201323414242 is a wasteful number, since it uses less digits than its factorization.

201323414242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565817.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 201323414242 its reverse (242414323102), we get a palindrome (443737737344).

The spelling of 201323414242 in words is "two hundred one billion, three hundred twenty-three million, four hundred fourteen thousand, two hundred forty-two".