240523005 has 16 divisors (see below), whose sum is σ = 389710080. Its totient is φ = 126654528.

The previous prime is 240523001. The next prime is 240523007. The reversal of 240523005 is 500325042.

It is not a de Polignac number, because 240523005 - 2² = 240523001 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240523001) 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 15 ways as a sum of consecutive naturals, for example, 100302 + ... + 102671.

It is an arithmetic number, because the mean of its divisors is an integer number (24356880).

Almost surely, 2^240523005 is an apocalyptic number.

It is an amenable number.

240523005 is a deficient number, since it is larger than the sum of its proper divisors (149187075).

240523005 is a wasteful number, since it uses less digits than its factorization.

240523005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203060.

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 240523005 is about 15508.8041125033. The cubic root of 240523005 is about 621.8975898295.

Adding to 240523005 its reverse (500325042), we get a palindrome (740848047).

The spelling of 240523005 in words is "two hundred forty million, five hundred twenty-three thousand, five".