523137314258731 has 2 divisors, whose sum is σ = 523137314258732. Its totient is φ = 523137314258730.

The previous prime is 523137314258659. The next prime is 523137314258791. The reversal of 523137314258731 is 137852413731325.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 523137314258731 - 2¹³ = 523137314250539 is a prime.

It is a super-2 number, since 2×523137314258731² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (523137314258791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261568657129365 + 261568657129366.

It is an arithmetic number, because the mean of its divisors is an integer number (261568657129366).

Almost surely, 2^{523137314258731} is an apocalyptic number.

523137314258731 is a deficient number, since it is larger than the sum of its proper divisors (1).

523137314258731 is an equidigital number, since it uses as much as digits as its factorization.

523137314258731 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12700800, while the sum is 55.

The spelling of 523137314258731 in words is "five hundred twenty-three trillion, one hundred thirty-seven billion, three hundred fourteen million, two hundred fifty-eight thousand, seven hundred thirty-one".