240244423 has 4 divisors (see below), whose sum is σ = 240633160. Its totient is φ = 239855688.

The previous prime is 240244373. The next prime is 240244427. The reversal of 240244423 is 324442042.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-240244423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240244427) 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, 193440 + ... + 194677.

It is an arithmetic number, because the mean of its divisors is an integer number (60158290).

Almost surely, 2^240244423 is an apocalyptic number.

240244423 is a deficient number, since it is larger than the sum of its proper divisors (388737).

240244423 is an equidigital number, since it uses as much as digits as its factorization.

240244423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388736.

The product of its (nonzero) digits is 6144, while the sum is 25.

The square root of 240244423 is about 15499.8200957301. The cubic root of 240244423 is about 621.6573960273.

Adding to 240244423 its reverse (324442042), we get a palindrome (564686465).

The spelling of 240244423 in words is "two hundred forty million, two hundred forty-four thousand, four hundred twenty-three".