34245643156223 has 2 divisors, whose sum is σ = 34245643156224. Its totient is φ = 34245643156222.

The previous prime is 34245643156213. The next prime is 34245643156247. The reversal of 34245643156223 is 32265134654243.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 34245643156223 - 2²⁰ = 34245642107647 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34245643156213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17122821578111 + 17122821578112.

It is an arithmetic number, because the mean of its divisors is an integer number (17122821578112).

Almost surely, 2^{34245643156223} is an apocalyptic number.

34245643156223 is a deficient number, since it is larger than the sum of its proper divisors (1).

34245643156223 is an equidigital number, since it uses as much as digits as its factorization.

34245643156223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12441600, while the sum is 50.

The spelling of 34245643156223 in words is "thirty-four trillion, two hundred forty-five billion, six hundred forty-three million, one hundred fifty-six thousand, two hundred twenty-three".