159443073023 has 12 divisors (see below), whose sum is σ = 175439047560. Its totient is φ = 144046743792.

The previous prime is 159443073007. The next prime is 159443073059. The reversal of 159443073023 is 320370344951.

It is a happy number.

It is not a de Polignac number, because 159443073023 - 2⁴ = 159443073007 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 (159443073073) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2747393 + ... + 2804826.

It is an arithmetic number, because the mean of its divisors is an integer number (14619920630).

Almost surely, 2^159443073023 is an apocalyptic number.

159443073023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

159443073023 is a deficient number, since it is larger than the sum of its proper divisors (15995974537).

159443073023 is an equidigital number, since it uses as much as digits as its factorization.

159443073023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5552326 (or 5552279 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 41.

The spelling of 159443073023 in words is "one hundred fifty-nine billion, four hundred forty-three million, seventy-three thousand, twenty-three".