230242340 has 24 divisors (see below), whose sum is σ = 489632640. Its totient is φ = 90930528.

The previous prime is 230242333. The next prime is 230242343. The reversal of 230242340 is 43242032.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (230242343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71282 + ... + 74441.

It is an arithmetic number, because the mean of its divisors is an integer number (20401360).

Almost surely, 2^230242340 is an apocalyptic number.

230242340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230242340 is an abundant number, since it is smaller than the sum of its proper divisors (259390300).

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

230242340 is a wasteful number, since it uses less digits than its factorization.

230242340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145811 (or 145809 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 230242340 is about 15173.7384978126. The cubic root of 230242340 is about 612.9076802744.

Adding to 230242340 its reverse (43242032), we get a palindrome (273484372).

The spelling of 230242340 in words is "two hundred thirty million, two hundred forty-two thousand, three hundred forty".