523135035641 has 4 divisors (see below), whose sum is σ = 523781680500. Its totient is φ = 522488390784.

The previous prime is 523135035629. The next prime is 523135035653. The reversal of 523135035641 is 146530531325.

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

It is an interprime number because it is at equal distance from previous prime (523135035629) and next prime (523135035653).

It can be written as a sum of positive squares in 2 ways, for example, as 213772146025 + 309362889616 = 462355^2 + 556204^2 .

It is a cyclic number.

It is not a de Polignac number, because 523135035641 - 2³⁸ = 248257128697 is a prime.

It is a super-2 number, since 2×523135035641² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 523135035595 and 523135035604.

It is not an unprimeable number, because it can be changed into a prime (523135035671) 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, 323321216 + ... + 323322833.

It is an arithmetic number, because the mean of its divisors is an integer number (130945420125).

Almost surely, 2^523135035641 is an apocalyptic number.

It is an amenable number.

523135035641 is a deficient number, since it is larger than the sum of its proper divisors (646644859).

523135035641 is an equidigital number, since it uses as much as digits as its factorization.

523135035641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646644858.

The product of its (nonzero) digits is 162000, while the sum is 38.

Adding to 523135035641 its reverse (146530531325), we get a palindrome (669665566966).

The spelling of 523135035641 in words is "five hundred twenty-three billion, one hundred thirty-five million, thirty-five thousand, six hundred forty-one".