231450 has 24 divisors (see below), whose sum is σ = 574368. Its totient is φ = 61680.

The previous prime is 231443. The next prime is 231461. The reversal of 231450 is 54132.

231450 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is an unprimeable number.

231450 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 11 ways as a sum of consecutive naturals, for example, 622 + ... + 921.

It is an arithmetic number, because the mean of its divisors is an integer number (23932).

2²³¹⁴⁵⁰ is an apocalyptic number.

231450 is an abundant number, since it is smaller than the sum of its proper divisors (342918).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231450 is a wasteful number, since it uses less digits than its factorization.

231450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1558 (or 1553 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 231450 is about 481.0925066970. The cubic root of 231450 is about 61.3977413607.

Adding to 231450 its reverse (54132), we get a palindrome (285582).

The spelling of 231450 in words is "two hundred thirty-one thousand, four hundred fifty".