194740583623 has 2 divisors, whose sum is σ = 194740583624. Its totient is φ = 194740583622.

The previous prime is 194740583603. The next prime is 194740583683. The reversal of 194740583623 is 326385047491.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 194740583623 - 2²⁵ = 194707029191 is a prime.

It is a super-2 number, since 2×194740583623² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (194740583603) 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, 97370291811 + 97370291812.

It is an arithmetic number, because the mean of its divisors is an integer number (97370291812).

It is a 1-persistent number, because it is pandigital, but 2⋅194740583623 = 389481167246 is not.

Almost surely, 2^194740583623 is an apocalyptic number.

194740583623 is a deficient number, since it is larger than the sum of its proper divisors (1).

194740583623 is an equidigital number, since it uses as much as digits as its factorization.

194740583623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4354560, while the sum is 52.

The spelling of 194740583623 in words is "one hundred ninety-four billion, seven hundred forty million, five hundred eighty-three thousand, six hundred twenty-three".