101923 has 4 divisors (see below), whose sum is σ = 102600. Its totient is φ = 101248.

The previous prime is 101921. The next prime is 101929. The reversal of 101923 is 329101.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 101923 - 2¹ = 101921 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101897 and 101906.

It is not an unprimeable number, because it can be changed into a prime (101921) 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, 3 + ... + 451.

It is an arithmetic number, because the mean of its divisors is an integer number (25650).

2¹⁰¹⁹²³ is an apocalyptic number.

101923 is a deficient number, since it is larger than the sum of its proper divisors (677).

101923 is an equidigital number, since it uses as much as digits as its factorization.

101923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 676.

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 101923 is about 319.2538175183. The cubic root of 101923 is about 46.7115271567.

It can be divided in two parts, 101 and 923, that added together give a 10-th power (1024 = 2¹⁰).

The spelling of 101923 in words is "one hundred one thousand, nine hundred twenty-three".