194995998023 has 2 divisors, whose sum is σ = 194995998024. Its totient is φ = 194995998022.

The previous prime is 194995997983. The next prime is 194995998047. The reversal of 194995998023 is 320899599491.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 194995998023 - 2¹⁴ = 194995981639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (194995995023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97497999011 + 97497999012.

It is an arithmetic number, because the mean of its divisors is an integer number (97497999012).

Almost surely, 2^194995998023 is an apocalyptic number.

194995998023 is a deficient number, since it is larger than the sum of its proper divisors (1).

194995998023 is an equidigital number, since it uses as much as digits as its factorization.

194995998023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56687040, while the sum is 68.

The spelling of 194995998023 in words is "one hundred ninety-four billion, nine hundred ninety-five million, nine hundred ninety-eight thousand, twenty-three".