42042011344423 has 4 divisors (see below), whose sum is σ = 42217919341920. Its totient is φ = 41866103346928.

The previous prime is 42042011344409. The next prime is 42042011344453. The reversal of 42042011344423 is 32444311024024.

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 42042011344423 - 2²⁹ = 42041474473511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42042011344453) 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, 87953998390 + ... + 87953998867.

It is an arithmetic number, because the mean of its divisors is an integer number (10554479835480).

Almost surely, 2^{42042011344423} is an apocalyptic number.

42042011344423 is a deficient number, since it is larger than the sum of its proper divisors (175907997497).

42042011344423 is a wasteful number, since it uses less digits than its factorization.

42042011344423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175907997496.

The product of its (nonzero) digits is 73728, while the sum is 34.

Adding to 42042011344423 its reverse (32444311024024), we get a palindrome (74486322368447).

The spelling of 42042011344423 in words is "forty-two trillion, forty-two billion, eleven million, three hundred forty-four thousand, four hundred twenty-three".