47995656156923 has 16 divisors (see below), whose sum is σ = 50225342065536. Its totient is φ = 45827266605120.

The previous prime is 47995656156913. The next prime is 47995656156989. The reversal of 47995656156923 is 32965165659974.

It is a cyclic number.

It is not a de Polignac number, because 47995656156923 - 2⁶ = 47995656156859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47995656156913) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63207986 + ... + 63962807.

It is an arithmetic number, because the mean of its divisors is an integer number (3139083879096).

Almost surely, 2^{47995656156923} is an apocalyptic number.

47995656156923 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

47995656156923 is a deficient number, since it is larger than the sum of its proper divisors (2229685908613).

47995656156923 is a wasteful number, since it uses less digits than its factorization.

47995656156923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127171034.

The product of its digits is 3306744000, while the sum is 77.

The spelling of 47995656156923 in words is "forty-seven trillion, nine hundred ninety-five billion, six hundred fifty-six million, one hundred fifty-six thousand, nine hundred twenty-three".