42332233231 has 4 divisors (see below), whose sum is σ = 42336037264. Its totient is φ = 42328429200.

The previous prime is 42332233201. The next prime is 42332233247. The reversal of 42332233231 is 13233223324.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42332233231 - 2⁵ = 42332233199 is a prime.

It is a super-2 number, since 2×42332233231² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42332233231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42332233201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1885275 + ... + 1907596.

It is an arithmetic number, because the mean of its divisors is an integer number (10584009316).

Almost surely, 2^42332233231 is an apocalyptic number.

42332233231 is a deficient number, since it is larger than the sum of its proper divisors (3804033).

42332233231 is a wasteful number, since it uses less digits than its factorization.

42332233231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3804032.

The product of its digits is 15552, while the sum is 28.

Adding to 42332233231 its reverse (13233223324), we get a palindrome (55565456555).

It can be divided in two parts, 4233223323 and 1, that added together give a palindrome (4233223324).

The spelling of 42332233231 in words is "forty-two billion, three hundred thirty-two million, two hundred thirty-three thousand, two hundred thirty-one".