47945823 has 8 divisors (see below), whose sum is σ = 66707328. Its totient is φ = 30574104.

The previous prime is 47945791. The next prime is 47945827. The reversal of 47945823 is 32854974.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 47945823 - 2⁵ = 47945791 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47945827) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 347365 + ... + 347502.

It is an arithmetic number, because the mean of its divisors is an integer number (8338416).

Almost surely, 2^47945823 is an apocalyptic number.

47945823 is a deficient number, since it is larger than the sum of its proper divisors (18761505).

47945823 is a wasteful number, since it uses less digits than its factorization.

47945823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 694893.

The product of its digits is 241920, while the sum is 42.

The square root of 47945823 is about 6924.2922382002. The cubic root of 47945823 is about 363.2873363388.

The spelling of 47945823 in words is "forty-seven million, nine hundred forty-five thousand, eight hundred twenty-three".