240523042523 has 2 divisors, whose sum is σ = 240523042524. Its totient is φ = 240523042522.

The previous prime is 240523042477. The next prime is 240523042559. The reversal of 240523042523 is 325240325042.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-240523042523 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 240523042523.

It is not a weakly prime, because it can be changed into another prime (240523042583) 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 as a sum of consecutive naturals, namely, 120261521261 + 120261521262.

It is an arithmetic number, because the mean of its divisors is an integer number (120261521262).

Almost surely, 2^240523042523 is an apocalyptic number.

240523042523 is a deficient number, since it is larger than the sum of its proper divisors (1).

240523042523 is an equidigital number, since it uses as much as digits as its factorization.

240523042523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 57600, while the sum is 32.

Adding to 240523042523 its reverse (325240325042), we get a palindrome (565763367565).

The spelling of 240523042523 in words is "two hundred forty billion, five hundred twenty-three million, forty-two thousand, five hundred twenty-three".