201232434143 has 8 divisors (see below), whose sum is σ = 220264506336. Its totient is φ = 182707884000.

The previous prime is 201232434043. The next prime is 201232434163. The reversal of 201232434143 is 341434232102.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201232434143 is a prime.

It is a super-2 number, since 2×201232434143² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201232434163) by changing a digit.

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, 126879683 + ... + 126881268.

It is an arithmetic number, because the mean of its divisors is an integer number (27533063292).

Almost surely, 2^201232434143 is an apocalyptic number.

201232434143 is a deficient number, since it is larger than the sum of its proper divisors (19032072193).

201232434143 is a wasteful number, since it uses less digits than its factorization.

201232434143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253761025.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 201232434143 its reverse (341434232102), we get a palindrome (542666666245).

The spelling of 201232434143 in words is "two hundred one billion, two hundred thirty-two million, four hundred thirty-four thousand, one hundred forty-three".