523839959701 has 2 divisors, whose sum is σ = 523839959702. Its totient is φ = 523839959700.

The previous prime is 523839959579. The next prime is 523839959711. The reversal of 523839959701 is 107959938325.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 453918850225 + 69921109476 = 673735^2 + 264426^2 .

It is a cyclic number.

It is not a de Polignac number, because 523839959701 - 2²¹ = 523837862549 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 523839959701.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (523839959711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261919979850 + 261919979851.

It is an arithmetic number, because the mean of its divisors is an integer number (261919979851).

Almost surely, 2^523839959701 is an apocalyptic number.

It is an amenable number.

523839959701 is a deficient number, since it is larger than the sum of its proper divisors (1).

523839959701 is an equidigital number, since it uses as much as digits as its factorization.

523839959701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18370800, while the sum is 61.

The spelling of 523839959701 in words is "five hundred twenty-three billion, eight hundred thirty-nine million, nine hundred fifty-nine thousand, seven hundred one".