101983 has 8 divisors (see below), whose sum is σ = 123552. Its totient is φ = 82176.

The previous prime is 101977. The next prime is 101987. The reversal of 101983 is 389101.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101983 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 310 + ... + 547.

It is an arithmetic number, because the mean of its divisors is an integer number (15444).

2¹⁰¹⁹⁸³ is an apocalyptic number.

101983 is a deficient number, since it is larger than the sum of its proper divisors (21569).

101983 is an equidigital number, since it uses as much as digits as its factorization.

101983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 881.

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 101983 is about 319.3477728120. The cubic root of 101983 is about 46.7206914011.

It can be divided in two parts, 10198 and 3, that added together give a palindrome (10201).

The spelling of 101983 in words is "one hundred one thousand, nine hundred eighty-three".