196893623 has 2 divisors, whose sum is σ = 196893624. Its totient is φ = 196893622.

The previous prime is 196893601. The next prime is 196893659. The reversal of 196893623 is 326398691.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 196893623 - 2⁶ = 196893559 is a prime.

It is a super-2 number, since 2×196893623² = 77534197556132258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (196893223) 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, 98446811 + 98446812.

It is an arithmetic number, because the mean of its divisors is an integer number (98446812).

Almost surely, 2^196893623 is an apocalyptic number.

196893623 is a deficient number, since it is larger than the sum of its proper divisors (1).

196893623 is an equidigital number, since it uses as much as digits as its factorization.

196893623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 419904, while the sum is 47.

The square root of 196893623 is about 14031.8788121905. The cubic root of 196893623 is about 581.7600351847.

The spelling of 196893623 in words is "one hundred ninety-six million, eight hundred ninety-three thousand, six hundred twenty-three".