170823842263 has 2 divisors, whose sum is σ = 170823842264. Its totient is φ = 170823842262.

The previous prime is 170823842207. The next prime is 170823842323. The reversal of 170823842263 is 362248328071.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-170823842263 is a prime.

It is a super-2 number, since 2×170823842263² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (170823848263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85411921131 + 85411921132.

It is an arithmetic number, because the mean of its divisors is an integer number (85411921132).

Almost surely, 2^170823842263 is an apocalyptic number.

170823842263 is a deficient number, since it is larger than the sum of its proper divisors (1).

170823842263 is an equidigital number, since it uses as much as digits as its factorization.

170823842263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 774144, while the sum is 46.

The spelling of 170823842263 in words is "one hundred seventy billion, eight hundred twenty-three million, eight hundred forty-two thousand, two hundred sixty-three".