42433022231 has 2 divisors, whose sum is σ = 42433022232. Its totient is φ = 42433022230.

The previous prime is 42433022197. The next prime is 42433022237. The reversal of 42433022231 is 13222033424.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42433022231 is a prime.

It is a super-2 number, since 2×42433022231² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 42433022231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42433022237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21216511115 + 21216511116.

It is an arithmetic number, because the mean of its divisors is an integer number (21216511116).

Almost surely, 2^42433022231 is an apocalyptic number.

42433022231 is a deficient number, since it is larger than the sum of its proper divisors (1).

42433022231 is an equidigital number, since it uses as much as digits as its factorization.

42433022231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 42433022231 its reverse (13222033424), we get a palindrome (55655055655).

The spelling of 42433022231 in words is "forty-two billion, four hundred thirty-three million, twenty-two thousand, two hundred thirty-one".