100333243 has 16 divisors (see below), whose sum is σ = 109900800. Its totient is φ = 91234080.

The previous prime is 100333241. The next prime is 100333271. The reversal of 100333243 is 342333001.

It is a cyclic number.

It is not a de Polignac number, because 100333243 - 2¹ = 100333241 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

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 100333243.

It is not an unprimeable number, because it can be changed into a prime (100333241) 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, 115830 + ... + 116692.

It is an arithmetic number, because the mean of its divisors is an integer number (6868800).

Almost surely, 2^100333243 is an apocalyptic number.

100333243 is a deficient number, since it is larger than the sum of its proper divisors (9567557).

100333243 is a wasteful number, since it uses less digits than its factorization.

100333243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122.

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 100333243 is about 10016.6482917191. The cubic root of 100333243 is about 464.6739040234.

Adding to 100333243 its reverse (342333001), we get a palindrome (442666244).

It can be divided in two parts, 100333 and 243, that added together give a triangular number (100576 = T₄₄₈).

The spelling of 100333243 in words is "one hundred million, three hundred thirty-three thousand, two hundred forty-three".