51106420323323 has 8 divisors (see below), whose sum is σ = 54501980203440. Its totient is φ = 47754115983360.

The previous prime is 51106420323293. The next prime is 51106420323331. The reversal of 51106420323323 is 32332302460115.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 51106420323323 - 2¹⁰ = 51106420322299 is a prime.

It is a super-2 number, since 2×51106420323323² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51106420323383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10813882598 + ... + 10813887323.

It is an arithmetic number, because the mean of its divisors is an integer number (6812747525430).

Almost surely, 2^{51106420323323} is an apocalyptic number.

51106420323323 is a deficient number, since it is larger than the sum of its proper divisors (3395559880117).

51106420323323 is a wasteful number, since it uses less digits than its factorization.

51106420323323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21627770077.

The product of its (nonzero) digits is 77760, while the sum is 35.

Adding to 51106420323323 its reverse (32332302460115), we get a palindrome (83438722783438).

The spelling of 51106420323323 in words is "fifty-one trillion, one hundred six billion, four hundred twenty million, three hundred twenty-three thousand, three hundred twenty-three".