47551123 has 4 divisors (see below), whose sum is σ = 48448368. Its totient is φ = 46653880.

The previous prime is 47551111. The next prime is 47551139. The reversal of 47551123 is 32115574.

It is a happy number.

47551123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32115574 = 2 ⋅16057787.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47551123 is a prime.

It is a super-2 number, since 2×47551123² = 4522218597122258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 47551091 and 47551100.

It is not an unprimeable number, because it can be changed into a prime (47551223) 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 3 ways as a sum of consecutive naturals, for example, 448543 + ... + 448648.

It is an arithmetic number, because the mean of its divisors is an integer number (12112092).

Almost surely, 2^47551123 is an apocalyptic number.

47551123 is a deficient number, since it is larger than the sum of its proper divisors (897245).

47551123 is an equidigital number, since it uses as much as digits as its factorization.

47551123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 897244.

The product of its digits is 4200, while the sum is 28.

The square root of 47551123 is about 6895.7322308802. The cubic root of 47551123 is about 362.2877025655.

Adding to 47551123 its reverse (32115574), we get a palindrome (79666697).

It can be divided in two parts, 47551 and 123, that added together give a palindrome (47674).

The spelling of 47551123 in words is "forty-seven million, five hundred fifty-one thousand, one hundred twenty-three".