47955623 has 4 divisors (see below), whose sum is σ = 50776560. Its totient is φ = 45134688.

The previous prime is 47955569. The next prime is 47955629. The reversal of 47955623 is 32655974.

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 47955623 - 2⁶ = 47955559 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 (47955629) 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, 1410443 + ... + 1410476.

It is an arithmetic number, because the mean of its divisors is an integer number (12694140).

Almost surely, 2^47955623 is an apocalyptic number.

47955623 is a deficient number, since it is larger than the sum of its proper divisors (2820937).

47955623 is a wasteful number, since it uses less digits than its factorization.

47955623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2820936.

The product of its digits is 226800, while the sum is 41.

The square root of 47955623 is about 6924.9998555957. Note that the first 3 decimals coincide. The cubic root of 47955623 is about 363.3120863110.

The spelling of 47955623 in words is "forty-seven million, nine hundred fifty-five thousand, six hundred twenty-three".