42232423191 has 16 divisors (see below), whose sum is σ = 66093471744. Its totient is φ = 23480574624.

The previous prime is 42232423187. The next prime is 42232423193. The reversal of 42232423191 is 19132423224.

It is not a de Polignac number, because 42232423191 - 2² = 42232423187 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42232423193) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27175815 + ... + 27177368.

It is an arithmetic number, because the mean of its divisors is an integer number (4130841984).

Almost surely, 2^42232423191 is an apocalyptic number.

42232423191 is a deficient number, since it is larger than the sum of its proper divisors (23861048553).

42232423191 is a wasteful number, since it uses less digits than its factorization.

42232423191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54353230.

The product of its digits is 20736, while the sum is 33.

Adding to 42232423191 its sum of digits (33), we get a palindrome (42232423224).

The spelling of 42232423191 in words is "forty-two billion, two hundred thirty-two million, four hundred twenty-three thousand, one hundred ninety-one".