42432131233 has 16 divisors (see below), whose sum is σ = 44483823360. Its totient is φ = 40397930496.

The previous prime is 42432131219. The next prime is 42432131317. The reversal of 42432131233 is 33213123424.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 42432131233 - 2⁵ = 42432131201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42432131933) 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, 11920708 + ... + 11924266.

It is an arithmetic number, because the mean of its divisors is an integer number (2780238960).

Almost surely, 2^42432131233 is an apocalyptic number.

It is an amenable number.

42432131233 is a deficient number, since it is larger than the sum of its proper divisors (2051692127).

42432131233 is a wasteful number, since it uses less digits than its factorization.

42432131233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5856.

The product of its digits is 10368, while the sum is 28.

Adding to 42432131233 its reverse (33213123424), we get a palindrome (75645254657).

It can be divided in two parts, 424321 and 31233, that added together give a palindrome (455554).

The spelling of 42432131233 in words is "forty-two billion, four hundred thirty-two million, one hundred thirty-one thousand, two hundred thirty-three".