523842313 has 2 divisors, whose sum is σ = 523842314. Its totient is φ = 523842312.

The previous prime is 523842311. The next prime is 523842353. The reversal of 523842313 is 313248325.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 376049664 + 147792649 = 19392^2 + 12157^2 .

It is a cyclic number.

It is not a de Polignac number, because 523842313 - 2¹ = 523842311 is a prime.

Together with 523842311, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (523842311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261921156 + 261921157.

It is an arithmetic number, because the mean of its divisors is an integer number (261921157).

Almost surely, 2^523842313 is an apocalyptic number.

It is an amenable number.

523842313 is a deficient number, since it is larger than the sum of its proper divisors (1).

523842313 is an equidigital number, since it uses as much as digits as its factorization.

523842313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 31.

The square root of 523842313 is about 22887.6017310683. The cubic root of 523842313 is about 806.1209198398.

The spelling of 523842313 in words is "five hundred twenty-three million, eight hundred forty-two thousand, three hundred thirteen".