523757363751331 has 2 divisors, whose sum is σ = 523757363751332. Its totient is φ = 523757363751330.

The previous prime is 523757363751329. The next prime is 523757363751343. The reversal of 523757363751331 is 133157363757325.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 523757363751331 - 2¹ = 523757363751329 is a prime.

It is a super-2 number, since 2×523757363751331² (a number of 30 digits) contains 22 as substring.

Together with 523757363751329, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 523757363751331.

It is not a weakly prime, because it can be changed into another prime (523757363751311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261878681875665 + 261878681875666.

It is an arithmetic number, because the mean of its divisors is an integer number (261878681875666).

Almost surely, 2^{523757363751331} is an apocalyptic number.

523757363751331 is a deficient number, since it is larger than the sum of its proper divisors (1).

523757363751331 is an equidigital number, since it uses as much as digits as its factorization.

523757363751331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 125023500, while the sum is 61.

The spelling of 523757363751331 in words is "five hundred twenty-three trillion, seven hundred fifty-seven billion, three hundred sixty-three million, seven hundred fifty-one thousand, three hundred thirty-one".