84923 has 4 divisors (see below), whose sum is σ = 85608. Its totient is φ = 84240.

The previous prime is 84919. The next prime is 84947. The reversal of 84923 is 32948.

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 84923 - 2² = 84919 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 84892 and 84901.

It is not an unprimeable number, because it can be changed into a prime (84913) 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 3 ways as a sum of consecutive naturals, for example, 98 + ... + 423.

It is an arithmetic number, because the mean of its divisors is an integer number (21402).

2⁸⁴⁹²³ is an apocalyptic number.

84923 is a deficient number, since it is larger than the sum of its proper divisors (685).

84923 is a wasteful number, since it uses less digits than its factorization.

84923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684.

The product of its digits is 1728, while the sum is 26.

The square root of 84923 is about 291.4155109118. The cubic root of 84923 is about 43.9550160092.

The spelling of 84923 in words is "eighty-four thousand, nine hundred twenty-three".