523240042325 has 144 divisors (see below), whose sum is σ = 887057510400. Its totient is φ = 297259372800.

The previous prime is 523240042313. The next prime is 523240042327.

523240042325 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 523240042325 - 2⁸ = 523240042069 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 523240042291 and 523240042300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523240042327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 25690496 + ... + 25710854.

It is an arithmetic number, because the mean of its divisors is an integer number (6160121600).

Almost surely, 2^523240042325 is an apocalyptic number.

523240042325 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

523240042325 is a deficient number, since it is larger than the sum of its proper divisors (363817468075).

523240042325 is a wasteful number, since it uses less digits than its factorization.

523240042325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20492 (or 20474 counting only the distinct ones).

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

It can be divided in two parts, 5232400 and 42325, that added together give a palindrome (5274725).

The spelling of 523240042325 in words is "five hundred twenty-three billion, two hundred forty million, forty-two thousand, three hundred twenty-five".