159423623205 has 48 divisors (see below), whose sum is σ = 320428332672. Its totient is φ = 66253968000.

The previous prime is 159423623189. The next prime is 159423623207. The reversal of 159423623205 is 502326324951.

It is not a de Polignac number, because 159423623205 - 2⁴ = 159423623189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159423623207) 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 47 ways as a sum of consecutive naturals, for example, 6261346 + ... + 6286755.

It is an arithmetic number, because the mean of its divisors is an integer number (6675590264).

Almost surely, 2^159423623205 is an apocalyptic number.

159423623205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

159423623205 is an abundant number, since it is smaller than the sum of its proper divisors (161004709467).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

159423623205 is a wasteful number, since it uses less digits than its factorization.

159423623205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12548138 (or 12548127 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 42.

The spelling of 159423623205 in words is "one hundred fifty-nine billion, four hundred twenty-three million, six hundred twenty-three thousand, two hundred five".