42544125023 has 4 divisors (see below), whose sum is σ = 42697714200. Its totient is φ = 42390535848.

The previous prime is 42544125011. The next prime is 42544125037. The reversal of 42544125023 is 32052144524.

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 42544125023 - 2⁴ = 42544125007 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 (42544124023) 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 3 ways as a sum of consecutive naturals, for example, 76794173 + ... + 76794726.

It is an arithmetic number, because the mean of its divisors is an integer number (10674428550).

Almost surely, 2^42544125023 is an apocalyptic number.

42544125023 is a deficient number, since it is larger than the sum of its proper divisors (153589177).

42544125023 is a wasteful number, since it uses less digits than its factorization.

42544125023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153589176.

The product of its (nonzero) digits is 38400, while the sum is 32.

Adding to 42544125023 its reverse (32052144524), we get a palindrome (74596269547).

The spelling of 42544125023 in words is "forty-two billion, five hundred forty-four million, one hundred twenty-five thousand, twenty-three".