231230 has 16 divisors (see below), whose sum is σ = 438480. Its totient is φ = 87552.

The previous prime is 231223. The next prime is 231241. The reversal of 231230 is 32132.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 419 + ... + 798.

It is an arithmetic number, because the mean of its divisors is an integer number (27405).

2²³¹²³⁰ is an apocalyptic number.

231230 is a deficient number, since it is larger than the sum of its proper divisors (207250).

231230 is a wasteful number, since it uses less digits than its factorization.

231230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1243.

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 231230 is about 480.8638060823. The cubic root of 231230 is about 61.3782817436.

Adding to 231230 its reverse (32132), we get a palindrome (263362).

The spelling of 231230 in words is "two hundred thirty-one thousand, two hundred thirty".