196983923 has 2 divisors, whose sum is σ = 196983924. Its totient is φ = 196983922.

The previous prime is 196983883. The next prime is 196983961. The reversal of 196983923 is 329389691.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 196983923 - 2⁶ = 196983859 is a prime.

It is not a weakly prime, because it can be changed into another prime (196983023) 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, 98491961 + 98491962.

It is an arithmetic number, because the mean of its divisors is an integer number (98491962).

Almost surely, 2^196983923 is an apocalyptic number.

196983923 is a deficient number, since it is larger than the sum of its proper divisors (1).

196983923 is an equidigital number, since it uses as much as digits as its factorization.

196983923 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 629856, while the sum is 50.

The square root of 196983923 is about 14035.0961165216. The cubic root of 196983923 is about 581.8489578247.

The spelling of 196983923 in words is "one hundred ninety-six million, nine hundred eighty-three thousand, nine hundred twenty-three".