47171845030123 has 4 divisors (see below), whose sum is σ = 51460194578328. Its totient is φ = 42883495481920.

The previous prime is 47171845030097. The next prime is 47171845030169. The reversal of 47171845030123 is 32103054817174.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 47171845030123 - 2²⁹ = 47171308159211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47171845010123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2144174774086 + ... + 2144174774107.

It is an arithmetic number, because the mean of its divisors is an integer number (12865048644582).

Almost surely, 2^{47171845030123} is an apocalyptic number.

47171845030123 is a deficient number, since it is larger than the sum of its proper divisors (4288349548205).

47171845030123 is a wasteful number, since it uses less digits than its factorization.

47171845030123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4288349548204.

The product of its (nonzero) digits is 564480, while the sum is 46.

Adding to 47171845030123 its reverse (32103054817174), we get a palindrome (79274899847297).

The spelling of 47171845030123 in words is "forty-seven trillion, one hundred seventy-one billion, eight hundred forty-five million, thirty thousand, one hundred twenty-three".