100836406843 has 4 divisors (see below), whose sum is σ = 101004188488. Its totient is φ = 100668625200.

The previous prime is 100836406817. The next prime is 100836406901. The reversal of 100836406843 is 348604638001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 348604638001 = 37 ⋅9421746973.

It is a cyclic number.

It is not a de Polignac number, because 100836406843 - 2¹³ = 100836398651 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 100836406843.

It is not an unprimeable number, because it can be changed into a prime (100836406813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83889921 + ... + 83891122.

It is an arithmetic number, because the mean of its divisors is an integer number (25251047122).

Almost surely, 2^100836406843 is an apocalyptic number.

100836406843 is a deficient number, since it is larger than the sum of its proper divisors (167781645).

100836406843 is an equidigital number, since it uses as much as digits as its factorization.

100836406843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167781644.

The product of its (nonzero) digits is 331776, while the sum is 43.

The spelling of 100836406843 in words is "one hundred billion, eight hundred thirty-six million, four hundred six thousand, eight hundred forty-three".