217013227754423 has 2 divisors, whose sum is σ = 217013227754424. Its totient is φ = 217013227754422.

The previous prime is 217013227754371. The next prime is 217013227754447. The reversal of 217013227754423 is 324457722310712.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 217013227754423 - 2³⁸ = 216738349847479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (217013227754123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108506613877211 + 108506613877212.

It is an arithmetic number, because the mean of its divisors is an integer number (108506613877212).

Almost surely, 2^{217013227754423} is an apocalyptic number.

217013227754423 is a deficient number, since it is larger than the sum of its proper divisors (1).

217013227754423 is an equidigital number, since it uses as much as digits as its factorization.

217013227754423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3951360, while the sum is 50.

The spelling of 217013227754423 in words is "two hundred seventeen trillion, thirteen billion, two hundred twenty-seven million, seven hundred fifty-four thousand, four hundred twenty-three".