47957423 has 4 divisors (see below), whose sum is σ = 48614448. Its totient is φ = 47300400.

The previous prime is 47957417. The next prime is 47957431. The reversal of 47957423 is 32475974.

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 47957423 - 2¹⁸ = 47695279 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 (47957453) 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, 328403 + ... + 328548.

It is an arithmetic number, because the mean of its divisors is an integer number (12153612).

Almost surely, 2^47957423 is an apocalyptic number.

47957423 is a deficient number, since it is larger than the sum of its proper divisors (657025).

47957423 is an equidigital number, since it uses as much as digits as its factorization.

47957423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657024.

The product of its digits is 211680, while the sum is 41.

The square root of 47957423 is about 6925.1298182778. The cubic root of 47957423 is about 363.3166318577.

The spelling of 47957423 in words is "forty-seven million, nine hundred fifty-seven thousand, four hundred twenty-three".