40423334135 has 4 divisors (see below), whose sum is σ = 48508000968. Its totient is φ = 32338667304.

The previous prime is 40423334123. The next prime is 40423334153. The reversal of 40423334135 is 53143332404.

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 40423334135 - 2⁸ = 40423333879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4042333409 + ... + 4042333418.

It is an arithmetic number, because the mean of its divisors is an integer number (12127000242).

Almost surely, 2^40423334135 is an apocalyptic number.

40423334135 is a deficient number, since it is larger than the sum of its proper divisors (8084666833).

40423334135 is an equidigital number, since it uses as much as digits as its factorization.

40423334135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8084666832.

The product of its (nonzero) digits is 51840, while the sum is 32.

Adding to 40423334135 its reverse (53143332404), we get a palindrome (93566666539).

The spelling of 40423334135 in words is "forty billion, four hundred twenty-three million, three hundred thirty-four thousand, one hundred thirty-five".