194123177383 has 2 divisors, whose sum is σ = 194123177384. Its totient is φ = 194123177382.

The previous prime is 194123177377. The next prime is 194123177477. The reversal of 194123177383 is 383771321491.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-194123177383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (194123177323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97061588691 + 97061588692.

It is an arithmetic number, because the mean of its divisors is an integer number (97061588692).

Almost surely, 2^194123177383 is an apocalyptic number.

194123177383 is a deficient number, since it is larger than the sum of its proper divisors (1).

194123177383 is an equidigital number, since it uses as much as digits as its factorization.

194123177383 is an evil number, because the sum of its binary digits is even.

The product of its digits is 762048, while the sum is 49.

The spelling of 194123177383 in words is "one hundred ninety-four billion, one hundred twenty-three million, one hundred seventy-seven thousand, three hundred eighty-three".