231473 has 6 divisors (see below), whose sum is σ = 254562. Its totient is φ = 210320.

The previous prime is 231463. The next prime is 231479. The reversal of 231473 is 374132.

It can be written as a sum of positive squares in only one way, i.e., 223729 + 7744 = 473^2 + 88^2 .

It is not a de Polignac number, because 231473 - 2⁶ = 231409 is a prime.

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 231473.

It is not an unprimeable number, because it can be changed into a prime (231479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 836 + ... + 1077.

It is an arithmetic number, because the mean of its divisors is an integer number (42427).

2²³¹⁴⁷³ is an apocalyptic number.

It is an amenable number.

231473 is a deficient number, since it is larger than the sum of its proper divisors (23089).

231473 is a wasteful number, since it uses less digits than its factorization.

231473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1935 (or 1924 counting only the distinct ones).

The product of its digits is 504, while the sum is 20.

The square root of 231473 is about 481.1164100298. The cubic root of 231473 is about 61.3997750631.

The spelling of 231473 in words is "two hundred thirty-one thousand, four hundred seventy-three".