51232323320452 has 12 divisors (see below), whose sum is σ = 89656715609356. Its totient is φ = 25616118860640.

The previous prime is 51232323320447. The next prime is 51232323320461. The reversal of 51232323320452 is 25402332323215.

51232323320452 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 47589660972676 + 3642662347776 = 6898526^2 + 1908576^2 .

It is a super-2 number, since 2×51232323320452² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 7926723 + ... + 12856810.

Almost surely, 2^{51232323320452} is an apocalyptic number.

It is an amenable number.

51232323320452 is a deficient number, since it is larger than the sum of its proper divisors (38424392288904).

51232323320452 is a wasteful number, since it uses less digits than its factorization.

51232323320452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21399798 (or 21399796 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 37.

Adding to 51232323320452 its reverse (25402332323215), we get a palindrome (76634655643667).

The spelling of 51232323320452 in words is "fifty-one trillion, two hundred thirty-two billion, three hundred twenty-three million, three hundred twenty thousand, four hundred fifty-two".