51423230421132 has 48 divisors (see below), whose sum is σ = 126765997263360. Its totient is φ = 16197877417792.

The previous prime is 51423230421109. The next prime is 51423230421137. The reversal of 51423230421132 is 23112403232415.

It is a happy number.

51423230421132 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×51423230421132² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51423230421093 and 51423230421102.

It is not an unprimeable number, because it can be changed into a prime (51423230421137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1571982618 + ... + 1572015329.

It is an arithmetic number, because the mean of its divisors is an integer number (2640958276320).

Almost surely, 2^{51423230421132} is an apocalyptic number.

It is an amenable number.

51423230421132 is an abundant number, since it is smaller than the sum of its proper divisors (75342766842228).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51423230421132 is a wasteful number, since it uses less digits than its factorization.

51423230421132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3143998030 (or 3143998028 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 33.

Adding to 51423230421132 its reverse (23112403232415), we get a palindrome (74535633653547).

The spelling of 51423230421132 in words is "fifty-one trillion, four hundred twenty-three billion, two hundred thirty million, four hundred twenty-one thousand, one hundred thirty-two".