47775023 has 4 divisors (see below), whose sum is σ = 47858400. Its totient is φ = 47691648.

The previous prime is 47775001. The next prime is 47775031. The reversal of 47775023 is 32057774.

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 47775023 - 2¹² = 47770927 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 (47775043) 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, 40823 + ... + 41976.

It is an arithmetic number, because the mean of its divisors is an integer number (11964600).

Almost surely, 2^47775023 is an apocalyptic number.

47775023 is a deficient number, since it is larger than the sum of its proper divisors (83377).

47775023 is an equidigital number, since it uses as much as digits as its factorization.

47775023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83376.

The product of its (nonzero) digits is 41160, while the sum is 35.

The square root of 47775023 is about 6911.9478441319. The cubic root of 47775023 is about 362.8554370264.

The spelling of 47775023 in words is "forty-seven million, seven hundred seventy-five thousand, twenty-three".