40423042211 has 2 divisors, whose sum is σ = 40423042212. Its totient is φ = 40423042210.

The previous prime is 40423042157. The next prime is 40423042213. The reversal of 40423042211 is 11224032404.

40423042211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40423042211 - 2⁶ = 40423042147 is a prime.

Together with 40423042213, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (40423042213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20211521105 + 20211521106.

It is an arithmetic number, because the mean of its divisors is an integer number (20211521106).

Almost surely, 2^40423042211 is an apocalyptic number.

40423042211 is a deficient number, since it is larger than the sum of its proper divisors (1).

40423042211 is an equidigital number, since it uses as much as digits as its factorization.

40423042211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 40423042211 its reverse (11224032404), we get a palindrome (51647074615).

The spelling of 40423042211 in words is "forty billion, four hundred twenty-three million, forty-two thousand, two hundred eleven".