100543953 has 8 divisors (see below), whose sum is σ = 141114400. Its totient is φ = 63501408.

The previous prime is 100543939. The next prime is 100543969. The reversal of 100543953 is 359345001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 100543953 - 2⁸ = 100543697 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 100543953.

It is not an unprimeable number, because it can be changed into a prime (100543973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 881908 + ... + 882021.

It is an arithmetic number, because the mean of its divisors is an integer number (17639300).

Almost surely, 2^100543953 is an apocalyptic number.

It is an amenable number.

100543953 is a deficient number, since it is larger than the sum of its proper divisors (40570447).

100543953 is a wasteful number, since it uses less digits than its factorization.

100543953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1763951.

The product of its (nonzero) digits is 8100, while the sum is 30.

The square root of 100543953 is about 10027.1607646432. The cubic root of 100543953 is about 464.9989640398.

Adding to 100543953 its reverse (359345001), we get a palindrome (459888954).

The spelling of 100543953 in words is "one hundred million, five hundred forty-three thousand, nine hundred fifty-three".