195234211723 has 2 divisors, whose sum is σ = 195234211724. Its totient is φ = 195234211722.

The previous prime is 195234211717. The next prime is 195234211741. The reversal of 195234211723 is 327112432591.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-195234211723 is a prime.

It is not a weakly prime, because it can be changed into another prime (195234211223) 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, 97617105861 + 97617105862.

It is an arithmetic number, because the mean of its divisors is an integer number (97617105862).

Almost surely, 2^195234211723 is an apocalyptic number.

195234211723 is a deficient number, since it is larger than the sum of its proper divisors (1).

195234211723 is an equidigital number, since it uses as much as digits as its factorization.

195234211723 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90720, while the sum is 40.

The spelling of 195234211723 in words is "one hundred ninety-five billion, two hundred thirty-four million, two hundred eleven thousand, seven hundred twenty-three".