201142120343 has 4 divisors (see below), whose sum is σ = 201146863488. Its totient is φ = 201137377200.

The previous prime is 201142120337. The next prime is 201142120357. The reversal of 201142120343 is 343021241102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 201142120343 - 2¹⁰ = 201142119319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201142120393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2307383 + ... + 2392968.

It is an arithmetic number, because the mean of its divisors is an integer number (50286715872).

Almost surely, 2^201142120343 is an apocalyptic number.

201142120343 is a deficient number, since it is larger than the sum of its proper divisors (4743145).

201142120343 is an equidigital number, since it uses as much as digits as its factorization.

201142120343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4743144.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 201142120343 its reverse (343021241102), we get a palindrome (544163361445).

The spelling of 201142120343 in words is "two hundred one billion, one hundred forty-two million, one hundred twenty thousand, three hundred forty-three".