231273 has 12 divisors (see below), whose sum is σ = 381888. Its totient is φ = 132120.
The previous prime is 231271. The next prime is 231277. The reversal of 231273 is 372132.
It is not a de Polignac number, because 231273 - 21 = 231271 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (231271) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1773 + ... + 1898.
It is an arithmetic number, because the mean of its divisors is an integer number (31824).
2231273 is an apocalyptic number.
It is an amenable number.
231273 is a deficient number, since it is larger than the sum of its proper divisors (150615).
231273 is a wasteful number, since it uses less digits than its factorization.
231273 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3684 (or 3681 counting only the distinct ones).
The product of its digits is 252, while the sum is 18.
The square root of 231273 is about 480.9085152085. The cubic root of 231273 is about 61.3820861844.
It can be divided in two parts, 23 and 1273, that added together give a 4-th power (1296 = 64).
The spelling of 231273 in words is "two hundred thirty-one thousand, two hundred seventy-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •