47631123 has 6 divisors (see below), whose sum is σ = 68800524. Its totient is φ = 31754076.

The previous prime is 47631041. The next prime is 47631151. The reversal of 47631123 is 32113674.

47631123 is a `hidden beast` number, since 4 + 7 + 631 + 1 + 23 = 666.

It is not a de Polignac number, because 47631123 - 2¹³ = 47622931 is a prime.

It is a super-2 number, since 2×47631123² = 4537447756482258, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (47631193) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2646165 + ... + 2646182.

It is an arithmetic number, because the mean of its divisors is an integer number (11466754).

Almost surely, 2^47631123 is an apocalyptic number.

47631123 is a deficient number, since it is larger than the sum of its proper divisors (21169401).

47631123 is a wasteful number, since it uses less digits than its factorization.

47631123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5292353 (or 5292350 counting only the distinct ones).

The product of its digits is 3024, while the sum is 27.

The square root of 47631123 is about 6901.5304824365. The cubic root of 47631123 is about 362.4907596535.

Adding to 47631123 its reverse (32113674), we get a palindrome (79744797).

It can be divided in two parts, 4763 and 1123, that added together give a triangular number (5886 = T₁₀₈).

The spelling of 47631123 in words is "forty-seven million, six hundred thirty-one thousand, one hundred twenty-three".