231043 has 8 divisors (see below), whose sum is σ = 247680. Its totient is φ = 215040.

The previous prime is 231041. The next prime is 231053. The reversal of 231043 is 340132.

231043 = 2² + 3² + ... + 88².

231043 is nontrivially palindromic in base 16.

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

It is a cyclic number.

It is not a de Polignac number, because 231043 - 2¹ = 231041 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 (231041) 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, 771 + ... + 1027.

It is an arithmetic number, because the mean of its divisors is an integer number (30960).

2²³¹⁰⁴³ is an apocalyptic number.

231043 is a deficient number, since it is larger than the sum of its proper divisors (16637).

231043 is a wasteful number, since it uses less digits than its factorization.

231043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 231043 is about 480.6693250042. The cubic root of 231043 is about 61.3617313621.

Adding to 231043 its reverse (340132), we get a palindrome (571175).

The spelling of 231043 in words is "two hundred thirty-one thousand, forty-three".