51204521322023 has 4 divisors (see below), whose sum is σ = 51206351193888. Its totient is φ = 51202691450160.

The previous prime is 51204521322011. The next prime is 51204521322029. The reversal of 51204521322023 is 32022312540215.

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 51204521322023 - 2²⁰ = 51204520273447 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 (51204521322029) 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, 914893958 + ... + 914949923.

It is an arithmetic number, because the mean of its divisors is an integer number (12801587798472).

Almost surely, 2^{51204521322023} is an apocalyptic number.

51204521322023 is a deficient number, since it is larger than the sum of its proper divisors (1829871865).

51204521322023 is a wasteful number, since it uses less digits than its factorization.

51204521322023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1829871864.

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 51204521322023 its reverse (32022312540215), we get a palindrome (83226833862238).

The spelling of 51204521322023 in words is "fifty-one trillion, two hundred four billion, five hundred twenty-one million, three hundred twenty-two thousand, twenty-three".