52131423 has 16 divisors (see below), whose sum is σ = 70398720. Its totient is φ = 34312704.

The previous prime is 52131419. The next prime is 52131449. The reversal of 52131423 is 32413125.

It is not a de Polignac number, because 52131423 - 2² = 52131419 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52131423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52131323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103390 + ... + 103892.

It is an arithmetic number, because the mean of its divisors is an integer number (4399920).

Almost surely, 2^52131423 is an apocalyptic number.

52131423 is a deficient number, since it is larger than the sum of its proper divisors (18267297).

52131423 is a wasteful number, since it uses less digits than its factorization.

52131423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 878.

The product of its digits is 720, while the sum is 21.

The square root of 52131423 is about 7220.2093459954. The cubic root of 52131423 is about 373.5652984618.

Adding to 52131423 its reverse (32413125), we get a palindrome (84544548).

The spelling of 52131423 in words is "fifty-two million, one hundred thirty-one thousand, four hundred twenty-three".