123547273 has 4 divisors (see below), whose sum is σ = 123604740. Its totient is φ = 123489808.

The previous prime is 123547261. The next prime is 123547297. The reversal of 123547273 is 372745321.

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

It can be written as a sum of positive squares in 2 ways, for example, as 116380944 + 7166329 = 10788^2 + 2677^2 .

It is a cyclic number.

It is not a de Polignac number, because 123547273 - 2⁵ = 123547241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123547223) 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, 25378 + ... + 29851.

It is an arithmetic number, because the mean of its divisors is an integer number (30901185).

Almost surely, 2^123547273 is an apocalyptic number.

It is an amenable number.

123547273 is a deficient number, since it is larger than the sum of its proper divisors (57467).

123547273 is an equidigital number, since it uses as much as digits as its factorization.

123547273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57466.

The product of its digits is 35280, while the sum is 34.

The square root of 123547273 is about 11115.1820947747. The cubic root of 123547273 is about 498.0554781395.

The spelling of 123547273 in words is "one hundred twenty-three million, five hundred forty-seven thousand, two hundred seventy-three".