273623 has 4 divisors (see below), whose sum is σ = 312720. Its totient is φ = 234528.

The previous prime is 273617. The next prime is 273629. The reversal of 273623 is 326372.

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

It is an interprime number because it is at equal distance from previous prime (273617) and next prime (273629).

It is not a de Polignac number, because 273623 - 2⁸ = 273367 is a prime.

It is a super-2 number, since 2×273623² = 149739092258, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2 + 7⁵ + 6⁶ + 3⁵ + 2¹⁵ + 3¹¹ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (273629) 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, 19538 + ... + 19551.

It is an arithmetic number, because the mean of its divisors is an integer number (78180).

2²⁷³⁶²³ is an apocalyptic number.

273623 is a deficient number, since it is larger than the sum of its proper divisors (39097).

273623 is an equidigital number, since it uses as much as digits as its factorization.

273623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39096.

The product of its digits is 1512, while the sum is 23.

The square root of 273623 is about 523.0898584373. The cubic root of 273623 is about 64.9208504053.

Adding to 273623 its reverse (326372), we get a palindrome (599995).

The spelling of 273623 in words is "two hundred seventy-three thousand, six hundred twenty-three".