51014420423 has 4 divisors (see below), whose sum is σ = 51015189768. Its totient is φ = 51013651080.

The previous prime is 51014420389. The next prime is 51014420449. The reversal of 51014420423 is 32402441015.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 51014420423 - 2¹⁶ = 51014354887 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51014420392 and 51014420401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51014420473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 274736 + ... + 421317.

It is an arithmetic number, because the mean of its divisors is an integer number (12753797442).

Almost surely, 2^51014420423 is an apocalyptic number.

51014420423 is a deficient number, since it is larger than the sum of its proper divisors (769345).

51014420423 is an equidigital number, since it uses as much as digits as its factorization.

51014420423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 769344.

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 51014420423 its reverse (32402441015), we get a palindrome (83416861438).

The spelling of 51014420423 in words is "fifty-one billion, fourteen million, four hundred twenty thousand, four hundred twenty-three".