47434123 has 16 divisors (see below), whose sum is σ = 53932032. Its totient is φ = 41328000.

The previous prime is 47434109. The next prime is 47434129. The reversal of 47434123 is 32143474.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47434123 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 47434091 and 47434100.

It is not an unprimeable number, because it can be changed into a prime (47434129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37918 + ... + 39148.

It is an arithmetic number, because the mean of its divisors is an integer number (3370752).

Almost surely, 2^47434123 is an apocalyptic number.

47434123 is a deficient number, since it is larger than the sum of its proper divisors (6497909).

47434123 is a wasteful number, since it uses less digits than its factorization.

47434123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1386.

The product of its digits is 8064, while the sum is 28.

The square root of 47434123 is about 6887.2434979460. The cubic root of 47434123 is about 361.9903210582.

Adding to 47434123 its reverse (32143474), we get a palindrome (79577597).

The spelling of 47434123 in words is "forty-seven million, four hundred thirty-four thousand, one hundred twenty-three".