47923107 has 4 divisors (see below), whose sum is σ = 63897480. Its totient is φ = 31948736.

The previous prime is 47923087. The next prime is 47923147. The reversal of 47923107 is 70132974.

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 47923107 - 2²² = 43728803 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47923147) 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 3 ways as a sum of consecutive naturals, for example, 7987182 + ... + 7987187.

It is an arithmetic number, because the mean of its divisors is an integer number (15974370).

Almost surely, 2^47923107 is an apocalyptic number.

47923107 is a deficient number, since it is larger than the sum of its proper divisors (15974373).

47923107 is a wasteful number, since it uses less digits than its factorization.

47923107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15974372.

The product of its (nonzero) digits is 10584, while the sum is 33.

The square root of 47923107 is about 6922.6517318149. The cubic root of 47923107 is about 363.2299539416.

The spelling of 47923107 in words is "forty-seven million, nine hundred twenty-three thousand, one hundred seven".