194211323 has 2 divisors, whose sum is σ = 194211324. Its totient is φ = 194211322.

The previous prime is 194211319. The next prime is 194211397. The reversal of 194211323 is 323112491.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 194211323 - 2² = 194211319 is a prime.

It is equal to p_10776131 and since 194211323 and 10776131 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 194211292 and 194211301.

It is not a weakly prime, because it can be changed into another prime (194210323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97105661 + 97105662.

It is an arithmetic number, because the mean of its divisors is an integer number (97105662).

Almost surely, 2^194211323 is an apocalyptic number.

194211323 is a deficient number, since it is larger than the sum of its proper divisors (1).

194211323 is an equidigital number, since it uses as much as digits as its factorization.

194211323 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1296, while the sum is 26.

The square root of 194211323 is about 13935.9722660459. The cubic root of 194211323 is about 579.1061568882.

The spelling of 194211323 in words is "one hundred ninety-four million, two hundred eleven thousand, three hundred twenty-three".