994523188343 has 2 divisors, whose sum is σ = 994523188344. Its totient is φ = 994523188342.

The previous prime is 994523188333. The next prime is 994523188381. The reversal of 994523188343 is 343881325499.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 994523188343 - 2¹² = 994523184247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (994523188303) 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, 497261594171 + 497261594172.

It is an arithmetic number, because the mean of its divisors is an integer number (497261594172).

Almost surely, 2^994523188343 is an apocalyptic number.

994523188343 is a deficient number, since it is larger than the sum of its proper divisors (1).

994523188343 is an equidigital number, since it uses as much as digits as its factorization.

994523188343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22394880, while the sum is 59.

The spelling of 994523188343 in words is "nine hundred ninety-four billion, five hundred twenty-three million, one hundred eighty-eight thousand, three hundred forty-three".