100344243 has 4 divisors (see below), whose sum is σ = 133792328. Its totient is φ = 66896160.

The previous prime is 100344227. The next prime is 100344253. The reversal of 100344243 is 342443001.

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

It is not a de Polignac number, because 100344243 - 2⁴ = 100344227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100344253) 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, 16724038 + ... + 16724043.

It is an arithmetic number, because the mean of its divisors is an integer number (33448082).

Almost surely, 2^100344243 is an apocalyptic number.

100344243 is a deficient number, since it is larger than the sum of its proper divisors (33448085).

100344243 is an equidigital number, since it uses as much as digits as its factorization.

100344243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33448084.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 100344243 is about 10017.1973625361. The cubic root of 100344243 is about 464.6908848564.

Adding to 100344243 its reverse (342443001), we get a palindrome (442787244).

The spelling of 100344243 in words is "one hundred million, three hundred forty-four thousand, two hundred forty-three".