201440343 has 8 divisors (see below), whose sum is σ = 289247728. Its totient is φ = 123963264.

The previous prime is 201440303. The next prime is 201440353. The reversal of 201440343 is 343044102.

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

It is not a de Polignac number, because 201440343 - 2¹³ = 201432151 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 (201440303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2582530 + ... + 2582607.

It is an arithmetic number, because the mean of its divisors is an integer number (36155966).

Almost surely, 2^201440343 is an apocalyptic number.

201440343 is a deficient number, since it is larger than the sum of its proper divisors (87807385).

201440343 is a wasteful number, since it uses less digits than its factorization.

201440343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5165153.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 201440343 is about 14192.9680828219. The cubic root of 201440343 is about 586.2040538154.

Adding to 201440343 its reverse (343044102), we get a palindrome (544484445).

The spelling of 201440343 in words is "two hundred one million, four hundred forty thousand, three hundred forty-three".