523023110520997 has 2 divisors, whose sum is σ = 523023110520998. Its totient is φ = 523023110520996.

The previous prime is 523023110520947. The next prime is 523023110521111. The reversal of 523023110520997 is 799025011320325.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 520011743782756 + 3011366738241 = 22803766^2 + 1735329^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-523023110520997 is a prime.

It is a super-3 number, since 3×523023110520997³ (a number of 45 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 523023110520997.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (523023110520947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261511555260498 + 261511555260499.

It is an arithmetic number, because the mean of its divisors is an integer number (261511555260499).

Almost surely, 2^{523023110520997} is an apocalyptic number.

It is an amenable number.

523023110520997 is a deficient number, since it is larger than the sum of its proper divisors (1).

523023110520997 is an equidigital number, since it uses as much as digits as its factorization.

523023110520997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1020600, while the sum is 49.

The spelling of 523023110520997 in words is "five hundred twenty-three trillion, twenty-three billion, one hundred ten million, five hundred twenty thousand, nine hundred ninety-seven".