51323423042 has 8 divisors (see below), whose sum is σ = 76986126336. Its totient is φ = 25661380932.

The previous prime is 51323422999. The next prime is 51323423077. The reversal of 51323423042 is 24032432315.

It is a happy number.

51323423042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 = 51323422996 and 51323423014.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146063 + ... + 352109.

It is an arithmetic number, because the mean of its divisors is an integer number (9623265792).

Almost surely, 2^51323423042 is an apocalyptic number.

51323423042 is a deficient number, since it is larger than the sum of its proper divisors (25662703294).

51323423042 is a wasteful number, since it uses less digits than its factorization.

51323423042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330592.

The product of its (nonzero) digits is 17280, while the sum is 29.

Adding to 51323423042 its reverse (24032432315), we get a palindrome (75355855357).

The spelling of 51323423042 in words is "fifty-one billion, three hundred twenty-three million, four hundred twenty-three thousand, forty-two".