194369613223 has 2 divisors, whose sum is σ = 194369613224. Its totient is φ = 194369613222.

The previous prime is 194369613197. The next prime is 194369613233. The reversal of 194369613223 is 322316963491.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-194369613223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (194369613233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97184806611 + 97184806612.

It is an arithmetic number, because the mean of its divisors is an integer number (97184806612).

Almost surely, 2^194369613223 is an apocalyptic number.

194369613223 is a deficient number, since it is larger than the sum of its proper divisors (1).

194369613223 is an equidigital number, since it uses as much as digits as its factorization.

194369613223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1259712, while the sum is 49.

The spelling of 194369613223 in words is "one hundred ninety-four billion, three hundred sixty-nine million, six hundred thirteen thousand, two hundred twenty-three".