43550023161 has 8 divisors (see below), whose sum is σ = 59636067904. Its totient is φ = 28248663600.

The previous prime is 43550023159. The next prime is 43550023183. The reversal of 43550023161 is 16132005534.

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

It is not a de Polignac number, because 43550023161 - 2¹ = 43550023159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43550023061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 196171165 + ... + 196171386.

It is an arithmetic number, because the mean of its divisors is an integer number (7454508488).

Almost surely, 2^43550023161 is an apocalyptic number.

It is an amenable number.

43550023161 is a deficient number, since it is larger than the sum of its proper divisors (16086044743).

43550023161 is a wasteful number, since it uses less digits than its factorization.

43550023161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392342591.

The product of its (nonzero) digits is 10800, while the sum is 30.

Adding to 43550023161 its reverse (16132005534), we get a palindrome (59682028695).

The spelling of 43550023161 in words is "forty-three billion, five hundred fifty million, twenty-three thousand, one hundred sixty-one".