123273 has 6 divisors (see below), whose sum is σ = 178074. Its totient is φ = 82176.

The previous prime is 123269. The next prime is 123289. The reversal of 123273 is 372321.

It can be written as a sum of positive squares in only one way, i.e., 71289 + 51984 = 267^2 + 228^2 .

It is not a de Polignac number, because 123273 - 2² = 123269 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123203) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6840 + ... + 6857.

It is an arithmetic number, because the mean of its divisors is an integer number (29679).

2¹²³²⁷³ is an apocalyptic number.

It is an amenable number.

123273 is a deficient number, since it is larger than the sum of its proper divisors (54801).

123273 is a wasteful number, since it uses less digits than its factorization.

123273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13703 (or 13700 counting only the distinct ones).

The product of its digits is 252, while the sum is 18.

The square root of 123273 is about 351.1025491220. The cubic root of 123273 is about 49.7686646633.

Adding to 123273 its reverse (372321), we get a palindrome (495594).

The spelling of 123273 in words is "one hundred twenty-three thousand, two hundred seventy-three", and thus it is an iban number.