543040100243 has 8 divisors (see below), whose sum is σ = 568855411488. Its totient is φ = 517408528384.

The previous prime is 543040100221. The next prime is 543040100311. The reversal of 543040100243 is 342001040345.

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

It is a cyclic number.

It is not a de Polignac number, because 543040100243 - 2¹² = 543040096147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (543040105243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45928796 + ... + 45940617.

It is an arithmetic number, because the mean of its divisors is an integer number (71106926436).

Almost surely, 2^543040100243 is an apocalyptic number.

543040100243 is a deficient number, since it is larger than the sum of its proper divisors (25815311245).

543040100243 is a wasteful number, since it uses less digits than its factorization.

543040100243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91869693.

The product of its (nonzero) digits is 5760, while the sum is 26.

Adding to 543040100243 its reverse (342001040345), we get a palindrome (885041140588).

The spelling of 543040100243 in words is "five hundred forty-three billion, forty million, one hundred thousand, two hundred forty-three".