523134252253 has 4 divisors (see below), whose sum is σ = 523139145340. Its totient is φ = 523129359168.

The previous prime is 523134252197. The next prime is 523134252259. The reversal of 523134252253 is 352252431325.

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

It can be written as a sum of positive squares in 2 ways, for example, as 247171048569 + 275963203684 = 497163^2 + 525322^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-523134252253 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 (523134252259) 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, 2282508 + ... + 2501221.

It is an arithmetic number, because the mean of its divisors is an integer number (130784786335).

Almost surely, 2^523134252253 is an apocalyptic number.

It is an amenable number.

523134252253 is a deficient number, since it is larger than the sum of its proper divisors (4893087).

523134252253 is a wasteful number, since it uses less digits than its factorization.

523134252253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4893086.

The product of its digits is 216000, while the sum is 37.

Adding to 523134252253 its reverse (352252431325), we get a palindrome (875386683578).

The spelling of 523134252253 in words is "five hundred twenty-three billion, one hundred thirty-four million, two hundred fifty-two thousand, two hundred fifty-three".