40035423443 has 2 divisors, whose sum is σ = 40035423444. Its totient is φ = 40035423442.

The previous prime is 40035423403. The next prime is 40035423457. The reversal of 40035423443 is 34432453004.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40035423443 - 2²⁸ = 39766987987 is a prime.

It is not a weakly prime, because it can be changed into another prime (40035423403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20017711721 + 20017711722.

It is an arithmetic number, because the mean of its divisors is an integer number (20017711722).

Almost surely, 2^40035423443 is an apocalyptic number.

40035423443 is a deficient number, since it is larger than the sum of its proper divisors (1).

40035423443 is an equidigital number, since it uses as much as digits as its factorization.

40035423443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69120, while the sum is 32.

Adding to 40035423443 its reverse (34432453004), we get a palindrome (74467876447).

The spelling of 40035423443 in words is "forty billion, thirty-five million, four hundred twenty-three thousand, four hundred forty-three".