42161544023 has 8 divisors (see below), whose sum is σ = 42230154240. Its totient is φ = 42092966520.

The previous prime is 42161543999. The next prime is 42161544041. The reversal of 42161544023 is 32044516124.

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 42161544023 - 2²⁸ = 41893108567 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 (42161544223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4301258 + ... + 4311048.

It is an arithmetic number, because the mean of its divisors is an integer number (5278769280).

Almost surely, 2^42161544023 is an apocalyptic number.

42161544023 is a deficient number, since it is larger than the sum of its proper divisors (68610217).

42161544023 is an equidigital number, since it uses as much as digits as its factorization.

42161544023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16357.

The product of its (nonzero) digits is 23040, while the sum is 32.

The spelling of 42161544023 in words is "forty-two billion, one hundred sixty-one million, five hundred forty-four thousand, twenty-three".