100636343 has 4 divisors (see below), whose sum is σ = 100657848. Its totient is φ = 100614840.

The previous prime is 100636313. The next prime is 100636357. The reversal of 100636343 is 343636001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 100636343 - 2¹⁶ = 100570807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100636303) 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, 428 + ... + 14193.

It is an arithmetic number, because the mean of its divisors is an integer number (25164462).

Almost surely, 2^100636343 is an apocalyptic number.

100636343 is a deficient number, since it is larger than the sum of its proper divisors (21505).

100636343 is an equidigital number, since it uses as much as digits as its factorization.

100636343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21504.

The product of its (nonzero) digits is 3888, while the sum is 26.

The square root of 100636343 is about 10031.7666938581. The cubic root of 100636343 is about 465.1413498676.

The spelling of 100636343 in words is "one hundred million, six hundred thirty-six thousand, three hundred forty-three".