230493 has 4 divisors (see below), whose sum is σ = 307328. Its totient is φ = 153660.
The previous prime is 230479. The next prime is 230501. The reversal of 230493 is 394032.
230493 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is not a de Polignac number, because 230493 - 29 = 229981 is a prime.
It is a D-number.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 230493.
It is not an unprimeable number, because it can be changed into a prime (230453) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38413 + ... + 38418.
It is an arithmetic number, because the mean of its divisors is an integer number (76832).
2230493 is an apocalyptic number.
It is an amenable number.
230493 is a deficient number, since it is larger than the sum of its proper divisors (76835).
230493 is an equidigital number, since it uses as much as digits as its factorization.
230493 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 76834.
The product of its (nonzero) digits is 648, while the sum is 21.
The square root of 230493 is about 480.0968652262. The cubic root of 230493 is about 61.3130019515.
The spelling of 230493 in words is "two hundred thirty thousand, four hundred ninety-three".
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