340243230 has 32 divisors (see below), whose sum is σ = 819510048. Its totient is φ = 90406400.

The previous prime is 340243217. The next prime is 340243237. The reversal of 340243230 is 32342043.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 340243197 and 340243206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340243237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11751 + ... + 28610.

It is an arithmetic number, because the mean of its divisors is an integer number (25609689).

Almost surely, 2^340243230 is an apocalyptic number.

340243230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

340243230 is an abundant number, since it is smaller than the sum of its proper divisors (479266818).

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

340243230 is a wasteful number, since it uses less digits than its factorization.

340243230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40652.

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 340243230 is about 18445.6832348384. The cubic root of 340243230 is about 698.1195994872.

Adding to 340243230 its reverse (32342043), we get a palindrome (372585273).

The spelling of 340243230 in words is "three hundred forty million, two hundred forty-three thousand, two hundred thirty".