83723 has 4 divisors (see below), whose sum is σ = 86640. Its totient is φ = 80808.

The previous prime is 83719. The next prime is 83737. The reversal of 83723 is 32738.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32738 = 2 ⋅16369.

It is a cyclic number.

It is not a de Polignac number, because 83723 - 2² = 83719 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83773) 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, 1415 + ... + 1472.

It is an arithmetic number, because the mean of its divisors is an integer number (21660).

2⁸³⁷²³ is an apocalyptic number.

83723 is a deficient number, since it is larger than the sum of its proper divisors (2917).

83723 is a wasteful number, since it uses less digits than its factorization.

83723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2916.

The product of its digits is 1008, while the sum is 23.

The square root of 83723 is about 289.3492699144. The cubic root of 83723 is about 43.7469984335.

The spelling of 83723 in words is "eighty-three thousand, seven hundred twenty-three".