47072423 has 8 divisors (see below), whose sum is σ = 49082880. Its totient is φ = 45087840.

The previous prime is 47072411. The next prime is 47072437. The reversal of 47072423 is 32427074.

47072423 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 47072423 - 2⁶ = 47072359 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47072453) 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, 2708 + ... + 10073.

It is an arithmetic number, because the mean of its divisors is an integer number (6135360).

Almost surely, 2^47072423 is an apocalyptic number.

47072423 is a deficient number, since it is larger than the sum of its proper divisors (2010457).

47072423 is a wasteful number, since it uses less digits than its factorization.

47072423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12937.

The product of its (nonzero) digits is 9408, while the sum is 29.

The square root of 47072423 is about 6860.9345573326. The cubic root of 47072423 is about 361.0678760142.

Adding to 47072423 its reverse (32427074), we get a palindrome (79499497).

The spelling of 47072423 in words is "forty-seven million, seventy-two thousand, four hundred twenty-three".