197619223 has 2 divisors, whose sum is σ = 197619224. Its totient is φ = 197619222.

The previous prime is 197619181. The next prime is 197619251. The reversal of 197619223 is 322916791.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 197619223 - 2¹³ = 197611031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (197619293) 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 as a sum of consecutive naturals, namely, 98809611 + 98809612.

It is an arithmetic number, because the mean of its divisors is an integer number (98809612).

Almost surely, 2^197619223 is an apocalyptic number.

197619223 is a deficient number, since it is larger than the sum of its proper divisors (1).

197619223 is an equidigital number, since it uses as much as digits as its factorization.

197619223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40824, while the sum is 40.

The square root of 197619223 is about 14057.7104465841. The cubic root of 197619223 is about 582.4738006354.

The spelling of 197619223 in words is "one hundred ninety-seven million, six hundred nineteen thousand, two hundred twenty-three".