523155202253 has 2 divisors, whose sum is σ = 523155202254. Its totient is φ = 523155202252.

The previous prime is 523155202243. The next prime is 523155202319. The reversal of 523155202253 is 352202551325.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 449251148644 + 73904053609 = 670262^2 + 271853^2 .

It is a cyclic number.

It is not a de Polignac number, because 523155202253 - 2⁶ = 523155202189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (523155202243) 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 as a sum of consecutive naturals, namely, 261577601126 + 261577601127.

It is an arithmetic number, because the mean of its divisors is an integer number (261577601127).

Almost surely, 2^523155202253 is an apocalyptic number.

It is an amenable number.

523155202253 is a deficient number, since it is larger than the sum of its proper divisors (1).

523155202253 is an equidigital number, since it uses as much as digits as its factorization.

523155202253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90000, while the sum is 35.

Adding to 523155202253 its reverse (352202551325), we get a palindrome (875357753578).

The spelling of 523155202253 in words is "five hundred twenty-three billion, one hundred fifty-five million, two hundred two thousand, two hundred fifty-three".