196420223 has 8 divisors (see below), whose sum is σ = 197987328. Its totient is φ = 194858104.

The previous prime is 196420187. The next prime is 196420267. The reversal of 196420223 is 322024691.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 196420223 - 2¹² = 196416127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196420823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123290 + ... + 124872.

It is an arithmetic number, because the mean of its divisors is an integer number (24748416).

Almost surely, 2^196420223 is an apocalyptic number.

196420223 is a deficient number, since it is larger than the sum of its proper divisors (1567105).

196420223 is a wasteful number, since it uses less digits than its factorization.

196420223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2493.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 196420223 is about 14014.9999286479. Note that the first 4 decimals coincide. The cubic root of 196420223 is about 581.2934105937.

The spelling of 196420223 in words is "one hundred ninety-six million, four hundred twenty thousand, two hundred twenty-three".