193961708955323 has 2 divisors, whose sum is σ = 193961708955324. Its totient is φ = 193961708955322.

The previous prime is 193961708955299. The next prime is 193961708955361. The reversal of 193961708955323 is 323559807169391.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-193961708955323 is a prime.

It is a super-2 number, since 2×193961708955323² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (193961708955383) 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, 96980854477661 + 96980854477662.

It is an arithmetic number, because the mean of its divisors is an integer number (96980854477662).

Almost surely, 2^{193961708955323} is an apocalyptic number.

193961708955323 is a deficient number, since it is larger than the sum of its proper divisors (1).

193961708955323 is an equidigital number, since it uses as much as digits as its factorization.

193961708955323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 330674400, while the sum is 71.

The spelling of 193961708955323 in words is "one hundred ninety-three trillion, nine hundred sixty-one billion, seven hundred eight million, nine hundred fifty-five thousand, three hundred twenty-three".