40035423403 has 2 divisors, whose sum is σ = 40035423404. Its totient is φ = 40035423402.

The previous prime is 40035423397. The next prime is 40035423443. The reversal of 40035423403 is 30432453004.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40035423403 - 2⁹ = 40035422891 is a prime.

It is not a weakly prime, because it can be changed into another prime (40035423443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20017711701 + 20017711702.

It is an arithmetic number, because the mean of its divisors is an integer number (20017711702).

Almost surely, 2^40035423403 is an apocalyptic number.

40035423403 is a deficient number, since it is larger than the sum of its proper divisors (1).

40035423403 is an equidigital number, since it uses as much as digits as its factorization.

40035423403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 28.

Adding to 40035423403 its reverse (30432453004), we get a palindrome (70467876407).

The spelling of 40035423403 in words is "forty billion, thirty-five million, four hundred twenty-three thousand, four hundred three".