42431143122323 has 16 divisors (see below), whose sum is σ = 45310977749760. Its totient is φ = 39645798192000.

The previous prime is 42431143122301. The next prime is 42431143122331. The reversal of 42431143122323 is 32322134113424.

It is a happy number.

42431143122323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42431143122323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42431143122343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59248661 + ... + 59960537.

It is an arithmetic number, because the mean of its divisors is an integer number (2831936109360).

Almost surely, 2^{42431143122323} is an apocalyptic number.

42431143122323 is a deficient number, since it is larger than the sum of its proper divisors (2879834627437).

42431143122323 is a wasteful number, since it uses less digits than its factorization.

42431143122323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 778238.

The product of its digits is 82944, while the sum is 35.

Adding to 42431143122323 its reverse (32322134113424), we get a palindrome (74753277235747).

The spelling of 42431143122323 in words is "forty-two trillion, four hundred thirty-one billion, one hundred forty-three million, one hundred twenty-two thousand, three hundred twenty-three".