51323023204042 has 8 divisors (see below), whose sum is σ = 77098249039716. Its totient is φ = 25623606857472.

The previous prime is 51323023204027. The next prime is 51323023204043. The reversal of 51323023204042 is 24040232032315.

51323023204042 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 45277812596641 + 6045210607401 = 6728879^2 + 2458701^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 51323023203995 and 51323023204013.

It is not an unprimeable number, because it can be changed into a prime (51323023204043) 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 3 ways as a sum of consecutive naturals, for example, 18952370583 + ... + 18952373290.

Almost surely, 2^{51323023204042} is an apocalyptic number.

51323023204042 is a deficient number, since it is larger than the sum of its proper divisors (25775225835674).

51323023204042 is a wasteful number, since it uses less digits than its factorization.

51323023204042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37904744552.

The product of its (nonzero) digits is 34560, while the sum is 31.

Adding to 51323023204042 its reverse (24040232032315), we get a palindrome (75363255236357).

The spelling of 51323023204042 in words is "fifty-one trillion, three hundred twenty-three billion, twenty-three million, two hundred four thousand, forty-two".