42031342343023 has 4 divisors (see below), whose sum is σ = 45852373465128. Its totient is φ = 38210311220920.

The previous prime is 42031342342999. The next prime is 42031342343077. The reversal of 42031342343023 is 32034324313024.

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 42031342343023 - 2²⁵ = 42031308788591 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42031342343023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42031342343923) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1910515561036 + ... + 1910515561057.

It is an arithmetic number, because the mean of its divisors is an integer number (11463093366282).

Almost surely, 2^{42031342343023} is an apocalyptic number.

42031342343023 is a deficient number, since it is larger than the sum of its proper divisors (3821031122105).

42031342343023 is a wasteful number, since it uses less digits than its factorization.

42031342343023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3821031122104.

The product of its (nonzero) digits is 124416, while the sum is 34.

Adding to 42031342343023 its reverse (32034324313024), we get a palindrome (74065666656047).

The spelling of 42031342343023 in words is "forty-two trillion, thirty-one billion, three hundred forty-two million, three hundred forty-three thousand, twenty-three".