47448423 has 56 divisors (see below), whose sum is σ = 79692816. Its totient is φ = 27993600.

The previous prime is 47448403. The next prime is 47448461. The reversal of 47448423 is 32484474.

It is a happy number.

It is not a de Polignac number, because 47448423 - 2⁵ = 47448391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47448403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 489111 + ... + 489207.

It is an arithmetic number, because the mean of its divisors is an integer number (1423086).

Almost surely, 2^47448423 is an apocalyptic number.

47448423 is a deficient number, since it is larger than the sum of its proper divisors (32244393).

47448423 is an equidigital number, since it uses as much as digits as its factorization.

47448423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187 (or 172 counting only the distinct ones).

The product of its digits is 86016, while the sum is 36.

The square root of 47448423 is about 6888.2815709000. The cubic root of 47448423 is about 362.0266938996.

The spelling of 47448423 in words is "forty-seven million, four hundred forty-eight thousand, four hundred twenty-three".