23522521333697 has 2 divisors, whose sum is σ = 23522521333698. Its totient is φ = 23522521333696.

The previous prime is 23522521333651. The next prime is 23522521333709. The reversal of 23522521333697 is 79633312522532.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23414769332161 + 107752001536 = 4838881^2 + 328256^2 .

It is a cyclic number.

It is not a de Polignac number, because 23522521333697 - 2²² = 23522517139393 is a prime.

It is not a weakly prime, because it can be changed into another prime (23522521333397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11761260666848 + 11761260666849.

It is an arithmetic number, because the mean of its divisors is an integer number (11761260666849).

Almost surely, 2^{23522521333697} is an apocalyptic number.

It is an amenable number.

23522521333697 is a deficient number, since it is larger than the sum of its proper divisors (1).

23522521333697 is an equidigital number, since it uses as much as digits as its factorization.

23522521333697 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12247200, while the sum is 53.

The spelling of 23522521333697 in words is "twenty-three trillion, five hundred twenty-two billion, five hundred twenty-one million, three hundred thirty-three thousand, six hundred ninety-seven".