47995123 has 4 divisors (see below), whose sum is σ = 52358328. Its totient is φ = 43631920.

The previous prime is 47995117. The next prime is 47995127. The reversal of 47995123 is 32159974.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47995123 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47995127) 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, 2181586 + ... + 2181607.

It is an arithmetic number, because the mean of its divisors is an integer number (13089582).

Almost surely, 2^47995123 is an apocalyptic number.

47995123 is a deficient number, since it is larger than the sum of its proper divisors (4363205).

47995123 is a wasteful number, since it uses less digits than its factorization.

47995123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4363204.

The product of its digits is 68040, while the sum is 40.

The square root of 47995123 is about 6927.8512541769. The cubic root of 47995123 is about 363.4118096813.

It can be divided in two parts, 479951 and 23, that added together give a palindrome (479974).

The spelling of 47995123 in words is "forty-seven million, nine hundred ninety-five thousand, one hundred twenty-three".