51173226223 has 16 divisors (see below), whose sum is σ = 60409778176. Its totient is φ = 42420049920.

The previous prime is 51173226211. The next prime is 51173226233. The reversal of 51173226223 is 32262237115.

It is a cyclic number.

It is not a de Polignac number, because 51173226223 - 2¹⁷ = 51173095151 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 (51173226233) 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 15 ways as a sum of consecutive naturals, for example, 258415 + ... + 411247.

It is an arithmetic number, because the mean of its divisors is an integer number (3775611136).

Almost surely, 2^51173226223 is an apocalyptic number.

51173226223 is a deficient number, since it is larger than the sum of its proper divisors (9236551953).

51173226223 is a wasteful number, since it uses less digits than its factorization.

51173226223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154414.

The product of its digits is 30240, while the sum is 34.

The spelling of 51173226223 in words is "fifty-one billion, one hundred seventy-three million, two hundred twenty-six thousand, two hundred twenty-three".