100140235243 has 16 divisors (see below), whose sum is σ = 106439598720. Its totient is φ = 93944486016.

The previous prime is 100140235231. The next prime is 100140235303. The reversal of 100140235243 is 342532041001.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100140235243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100140235843) 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, 5750796 + ... + 5768182.

It is an arithmetic number, because the mean of its divisors is an integer number (6652474920).

Almost surely, 2^100140235243 is an apocalyptic number.

100140235243 is a deficient number, since it is larger than the sum of its proper divisors (6299363477).

100140235243 is a wasteful number, since it uses less digits than its factorization.

100140235243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20346.

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 100140235243 its reverse (342532041001), we get a palindrome (442672276244).

The spelling of 100140235243 in words is "one hundred billion, one hundred forty million, two hundred thirty-five thousand, two hundred forty-three".