273823 has 12 divisors (see below), whose sum is σ = 314944. Its totient is φ = 237600.

The previous prime is 273821. The next prime is 273827. The reversal of 273823 is 328372.

It is a happy number.

It is not a de Polignac number, because 273823 - 2¹ = 273821 is a prime.

It is an Ulam number.

It is a Duffinian number.

Its product of digits (2016) is a multiple of the sum of its prime factors (126).

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (273821) 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 11 ways as a sum of consecutive naturals, for example, 3715 + ... + 3787.

2²⁷³⁸²³ is an apocalyptic number.

273823 is a deficient number, since it is larger than the sum of its proper divisors (41121).

273823 is a wasteful number, since it uses less digits than its factorization.

273823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126 (or 115 counting only the distinct ones).

The product of its digits is 2016, while the sum is 25.

The square root of 273823 is about 523.2809952597. The cubic root of 273823 is about 64.9366641440.

The spelling of 273823 in words is "two hundred seventy-three thousand, eight hundred twenty-three".