194936650723 has 2 divisors, whose sum is σ = 194936650724. Its totient is φ = 194936650722.

The previous prime is 194936650703. The next prime is 194936650763. The reversal of 194936650723 is 327056639491.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 194936650723 - 2⁵ = 194936650691 is a prime.

It is not a weakly prime, because it can be changed into another prime (194936650703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97468325361 + 97468325362.

It is an arithmetic number, because the mean of its divisors is an integer number (97468325362).

Almost surely, 2^194936650723 is an apocalyptic number.

194936650723 is a deficient number, since it is larger than the sum of its proper divisors (1).

194936650723 is an equidigital number, since it uses as much as digits as its factorization.

194936650723 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7348320, while the sum is 55.

The spelling of 194936650723 in words is "one hundred ninety-four billion, nine hundred thirty-six million, six hundred fifty thousand, seven hundred twenty-three".