231683 has 4 divisors (see below), whose sum is σ = 233088. Its totient is φ = 230280.

The previous prime is 231677. The next prime is 231701. The reversal of 231683 is 386132.

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

It is a cyclic number.

It is not a de Polignac number, because 231683 - 2¹⁶ = 166147 is a prime.

It is a d-powerful number, because it can be written as 2¹¹ + 3⁹ + 6² + 1 + 8⁵ + 3¹¹ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231613) 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 3 ways as a sum of consecutive naturals, for example, 416 + ... + 797.

It is an arithmetic number, because the mean of its divisors is an integer number (58272).

2²³¹⁶⁸³ is an apocalyptic number.

231683 is a deficient number, since it is larger than the sum of its proper divisors (1405).

231683 is a wasteful number, since it uses less digits than its factorization.

231683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1404.

The product of its digits is 864, while the sum is 23.

The square root of 231683 is about 481.3346029531. The cubic root of 231683 is about 61.4183374231.

Subtracting 231683 from its reverse (386132), we obtain a square (154449 = 393²).

The spelling of 231683 in words is "two hundred thirty-one thousand, six hundred eighty-three".