523757363721343 has 2 divisors, whose sum is σ = 523757363721344. Its totient is φ = 523757363721342.

The previous prime is 523757363721283. The next prime is 523757363721367. The reversal of 523757363721343 is 343127363757325.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 523757363721343 - 2²⁵ = 523757330166911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (523757363721643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261878681860671 + 261878681860672.

It is an arithmetic number, because the mean of its divisors is an integer number (261878681860672).

Almost surely, 2^{523757363721343} is an apocalyptic number.

523757363721343 is a deficient number, since it is larger than the sum of its proper divisors (1).

523757363721343 is an equidigital number, since it uses as much as digits as its factorization.

523757363721343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 200037600, while the sum is 61.

The spelling of 523757363721343 in words is "five hundred twenty-three trillion, seven hundred fifty-seven billion, three hundred sixty-three million, seven hundred twenty-one thousand, three hundred forty-three".