42442450523 has 8 divisors (see below), whose sum is σ = 46302886656. Its totient is φ = 38582353000.

The previous prime is 42442450507. The next prime is 42442450541. The reversal of 42442450523 is 32505424424.

42442450523 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42442450523 - 2⁴ = 42442450507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42442450573) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 227498 + ... + 369648.

It is an arithmetic number, because the mean of its divisors is an integer number (5787860832).

Almost surely, 2^42442450523 is an apocalyptic number.

42442450523 is a deficient number, since it is larger than the sum of its proper divisors (3860436133).

42442450523 is a wasteful number, since it uses less digits than its factorization.

42442450523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169305.

The product of its (nonzero) digits is 153600, while the sum is 35.

Adding to 42442450523 its reverse (32505424424), we get a palindrome (74947874947).

The spelling of 42442450523 in words is "forty-two billion, four hundred forty-two million, four hundred fifty thousand, five hundred twenty-three".