47451423 has 8 divisors (see below), whose sum is σ = 63300528. Its totient is φ = 31618304.

The previous prime is 47451409. The next prime is 47451431. The reversal of 47451423 is 32415474.

47451423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 47451423 - 2¹⁰ = 47450399 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47451433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8665 + ... + 13037.

It is an arithmetic number, because the mean of its divisors is an integer number (7912566).

Almost surely, 2^47451423 is an apocalyptic number.

47451423 is a deficient number, since it is larger than the sum of its proper divisors (15849105).

47451423 is a wasteful number, since it uses less digits than its factorization.

47451423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7993.

The product of its digits is 13440, while the sum is 30.

The square root of 47451423 is about 6888.4993285911. The cubic root of 47451423 is about 362.0343236382.

Adding to 47451423 its reverse (32415474), we get a palindrome (79866897).

It can be divided in two parts, 47451 and 423, that added together give a palindrome (47874).

The spelling of 47451423 in words is "forty-seven million, four hundred fifty-one thousand, four hundred twenty-three".