423223444197 has 24 divisors (see below), whose sum is σ = 626268271200. Its totient is φ = 275266319328.

The previous prime is 423223444187. The next prime is 423223444211. The reversal of 423223444197 is 791444322324.

423223444197 is a `hidden beast` number, since 4 + 2 + 3 + 223 + 4 + 4 + 419 + 7 = 666.

It is not a de Polignac number, because 423223444197 - 2⁴ = 423223444181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423223444187) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 304122 + ... + 968987.

It is an arithmetic number, because the mean of its divisors is an integer number (26094511300).

Almost surely, 2^423223444197 is an apocalyptic number.

It is an amenable number.

423223444197 is a deficient number, since it is larger than the sum of its proper divisors (203044827003).

423223444197 is a wasteful number, since it uses less digits than its factorization.

423223444197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1274017 (or 1274014 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 45.

The spelling of 423223444197 in words is "four hundred twenty-three billion, two hundred twenty-three million, four hundred forty-four thousand, one hundred ninety-seven".