84723 has 8 divisors (see below), whose sum is σ = 116736. Its totient is φ = 54600.

The previous prime is 84719. The next prime is 84731. The reversal of 84723 is 32748.

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

It is not a de Polignac number, because 84723 - 2² = 84719 is a prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 84693 and 84702.

It is not an unprimeable number, because it can be changed into a prime (84713) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 363 + ... + 548.

It is an arithmetic number, because the mean of its divisors is an integer number (14592).

2⁸⁴⁷²³ is an apocalyptic number.

84723 is a deficient number, since it is larger than the sum of its proper divisors (32013).

84723 is a wasteful number, since it uses less digits than its factorization.

84723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 945.

The product of its digits is 1344, while the sum is 24.

The square root of 84723 is about 291.0721560026. The cubic root of 84723 is about 43.9204831052.

The spelling of 84723 in words is "eighty-four thousand, seven hundred twenty-three".