51296543423 has 4 divisors (see below), whose sum is σ = 51298498680. Its totient is φ = 51294588168.

The previous prime is 51296543383. The next prime is 51296543429. The reversal of 51296543423 is 32434569215.

It is a happy number.

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 51296543423 - 2⁸ = 51296543167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51296543429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 937733 + ... + 990926.

It is an arithmetic number, because the mean of its divisors is an integer number (12824624670).

Almost surely, 2^51296543423 is an apocalyptic number.

51296543423 is a deficient number, since it is larger than the sum of its proper divisors (1955257).

51296543423 is a wasteful number, since it uses less digits than its factorization.

51296543423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1955256.

The product of its digits is 777600, while the sum is 44.

The spelling of 51296543423 in words is "fifty-one billion, two hundred ninety-six million, five hundred forty-three thousand, four hundred twenty-three".