240430243 has 4 divisors (see below), whose sum is σ = 246021688. Its totient is φ = 234838800.

The previous prime is 240430217. The next prime is 240430249. The reversal of 240430243 is 342034042.

240430243 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.

It is a cyclic number.

It is not a de Polignac number, because 240430243 - 2²¹ = 238333091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (240430249) 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, 2795658 + ... + 2795743.

It is an arithmetic number, because the mean of its divisors is an integer number (61505422).

Almost surely, 2^240430243 is an apocalyptic number.

240430243 is a deficient number, since it is larger than the sum of its proper divisors (5591445).

240430243 is an equidigital number, since it uses as much as digits as its factorization.

240430243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5591444.

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 240430243 is about 15505.8132002162. The cubic root of 240430243 is about 621.8176309055.

Adding to 240430243 its reverse (342034042), we get a palindrome (582464285).

The spelling of 240430243 in words is "two hundred forty million, four hundred thirty thousand, two hundred forty-three".