42126855023 has 8 divisors (see below), whose sum is σ = 45962332416. Its totient is φ = 38292338200.

The previous prime is 42126855019. The next prime is 42126855037. The reversal of 42126855023 is 32055862124.

It is a happy number.

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 42126855023 - 2² = 42126855019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42126855073) 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 7 ways as a sum of consecutive naturals, for example, 146861 + ... + 325302.

It is an arithmetic number, because the mean of its divisors is an integer number (5745291552).

Almost surely, 2^42126855023 is an apocalyptic number.

42126855023 is a deficient number, since it is larger than the sum of its proper divisors (3835477393).

42126855023 is a wasteful number, since it uses less digits than its factorization.

42126855023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480285.

The product of its (nonzero) digits is 115200, while the sum is 38.

The spelling of 42126855023 in words is "forty-two billion, one hundred twenty-six million, eight hundred fifty-five thousand, twenty-three".