523404113 has 2 divisors, whose sum is σ = 523404114. Its totient is φ = 523404112.

The previous prime is 523404107. The next prime is 523404131. The reversal of 523404113 is 311404325.

Together with next prime (523404131) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 392713489 + 130690624 = 19817^2 + 11432^2 .

It is a cyclic number.

It is not a de Polignac number, because 523404113 - 2²² = 519209809 is a prime.

It is not a weakly prime, because it can be changed into another prime (523409113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261702056 + 261702057.

It is an arithmetic number, because the mean of its divisors is an integer number (261702057).

Almost surely, 2^523404113 is an apocalyptic number.

It is an amenable number.

523404113 is a deficient number, since it is larger than the sum of its proper divisors (1).

523404113 is an equidigital number, since it uses as much as digits as its factorization.

523404113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 523404113 is about 22878.0268598496. The cubic root of 523404113 is about 805.8960807224.

Adding to 523404113 its reverse (311404325), we get a palindrome (834808438).

The spelling of 523404113 in words is "five hundred twenty-three million, four hundred four thousand, one hundred thirteen".