231847 has 8 divisors (see below), whose sum is σ = 289152. Its totient is φ = 180600.

The previous prime is 231841. The next prime is 231859. The reversal of 231847 is 748132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 231847 - 2³ = 231839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1429 + ... + 1582.

It is an arithmetic number, because the mean of its divisors is an integer number (36144).

2²³¹⁸⁴⁷ is an apocalyptic number.

231847 is a deficient number, since it is larger than the sum of its proper divisors (57305).

231847 is a wasteful number, since it uses less digits than its factorization.

231847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3029.

The product of its digits is 1344, while the sum is 25.

The square root of 231847 is about 481.5049324773. The cubic root of 231847 is about 61.4328259434.

Adding to 231847 its reverse (748132), we get a palindrome (979979).

The spelling of 231847 in words is "two hundred thirty-one thousand, eight hundred forty-seven".