42435135323 has 32 divisors (see below), whose sum is σ = 50581708800. Its totient is φ = 34835028480.

The previous prime is 42435135307. The next prime is 42435135329. The reversal of 42435135323 is 32353153424.

It is not a de Polignac number, because 42435135323 - 2⁴ = 42435135307 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42435135329) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 30331778 + ... + 30333176.

It is an arithmetic number, because the mean of its divisors is an integer number (1580678400).

Almost surely, 2^42435135323 is an apocalyptic number.

42435135323 is a deficient number, since it is larger than the sum of its proper divisors (8146573477).

42435135323 is a wasteful number, since it uses less digits than its factorization.

42435135323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2787.

The product of its digits is 129600, while the sum is 35.

Adding to 42435135323 its reverse (32353153424), we get a palindrome (74788288747).

The spelling of 42435135323 in words is "forty-two billion, four hundred thirty-five million, one hundred thirty-five thousand, three hundred twenty-three".