240423423 has 8 divisors (see below), whose sum is σ = 326613168. Its totient is φ = 157257984.

The previous prime is 240423409. The next prime is 240423431. The reversal of 240423423 is 324324042.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 240423423 - 2⁹ = 240422911 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 240423393 and 240423402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240423493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 755890 + ... + 756207.

It is an arithmetic number, because the mean of its divisors is an integer number (40826646).

Almost surely, 2^240423423 is an apocalyptic number.

240423423 is a deficient number, since it is larger than the sum of its proper divisors (86189745).

240423423 is a wasteful number, since it uses less digits than its factorization.

240423423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1512153.

The product of its (nonzero) digits is 4608, while the sum is 24.

The square root of 240423423 is about 15505.5932811357. The cubic root of 240423423 is about 621.8117513951.

Adding to 240423423 its reverse (324324042), we get a palindrome (564747465).

The spelling of 240423423 in words is "two hundred forty million, four hundred twenty-three thousand, four hundred twenty-three".