97017130523 has 2 divisors, whose sum is σ = 97017130524. Its totient is φ = 97017130522.

The previous prime is 97017130519. The next prime is 97017130547. The reversal of 97017130523 is 32503171079.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 97017130523 - 2² = 97017130519 is a prime.

It is a super-2 number, since 2×97017130523² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (97017130513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48508565261 + 48508565262.

It is an arithmetic number, because the mean of its divisors is an integer number (48508565262).

Almost surely, 2^97017130523 is an apocalyptic number.

97017130523 is a deficient number, since it is larger than the sum of its proper divisors (1).

97017130523 is an equidigital number, since it uses as much as digits as its factorization.

97017130523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 39690, while the sum is 38.

The spelling of 97017130523 in words is "ninety-seven billion, seventeen million, one hundred thirty thousand, five hundred twenty-three".