243052201343 has 16 divisors (see below), whose sum is σ = 283946476800. Its totient is φ = 207960256728.

The previous prime is 243052201319. The next prime is 243052201369. The reversal of 243052201343 is 343102250342.

It is a happy number.

It is not a de Polignac number, because 243052201343 - 2¹² = 243052197247 is a prime.

It is a super-2 number, since 2×243052201343² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243052201313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 436205 + ... + 822422.

It is an arithmetic number, because the mean of its divisors is an integer number (17746654800).

Almost surely, 2^243052201343 is an apocalyptic number.

243052201343 is a deficient number, since it is larger than the sum of its proper divisors (40894275457).

243052201343 is an equidigital number, since it uses as much as digits as its factorization.

243052201343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1259211 (or 1259197 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 29.

Adding to 243052201343 its reverse (343102250342), we get a palindrome (586154451685).

The spelling of 243052201343 in words is "two hundred forty-three billion, fifty-two million, two hundred one thousand, three hundred forty-three".