273423 has 4 divisors (see below), whose sum is σ = 364568. Its totient is φ = 182280.

The previous prime is 273367. The next prime is 273433. The reversal of 273423 is 324372.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 273423 - 2⁶ = 273359 is a prime.

It is a d-powerful number, because it can be written as 2 + 7⁴ + 4⁹ + 3⁷ + 2⁷ + 3⁸ .

It is a D-number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 273423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (273433) 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, 45568 + ... + 45573.

It is an arithmetic number, because the mean of its divisors is an integer number (91142).

2²⁷³⁴²³ is an apocalyptic number.

273423 is a deficient number, since it is larger than the sum of its proper divisors (91145).

273423 is an equidigital number, since it uses as much as digits as its factorization.

273423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91144.

The product of its digits is 1008, while the sum is 21.

The square root of 273423 is about 522.8986517481. The cubic root of 273423 is about 64.9050289589.

Adding to 273423 its reverse (324372), we get a palindrome (597795).

It can be divided in two parts, 273 and 423, that added together give a palindrome (696).

The spelling of 273423 in words is "two hundred seventy-three thousand, four hundred twenty-three", and thus it is an iban number.