47123927 has 4 divisors (see below), whose sum is σ = 48748920. Its totient is φ = 45498936.

The previous prime is 47123899. The next prime is 47123953. The reversal of 47123927 is 72932174.

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 47123927 - 2¹⁰ = 47122903 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47123957) 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, 812453 + ... + 812510.

It is an arithmetic number, because the mean of its divisors is an integer number (12187230).

Almost surely, 2^47123927 is an apocalyptic number.

47123927 is a deficient number, since it is larger than the sum of its proper divisors (1624993).

47123927 is a wasteful number, since it uses less digits than its factorization.

47123927 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1624992.

The product of its digits is 21168, while the sum is 35.

The square root of 47123927 is about 6864.6869557176. The cubic root of 47123927 is about 361.1995147418.

The spelling of 47123927 in words is "forty-seven million, one hundred twenty-three thousand, nine hundred twenty-seven".