51102040223 has 8 divisors (see below), whose sum is σ = 55043788800. Its totient is φ = 47161837728.

The previous prime is 51102040207. The next prime is 51102040243. The reversal of 51102040223 is 32204020115.

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

It is a cyclic number.

It is not a de Polignac number, because 51102040223 - 2⁴ = 51102040207 is a prime.

It is a super-2 number, since 2×51102040223² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51102040195 and 51102040204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51102040243) 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, 317408 + ... + 450501.

It is an arithmetic number, because the mean of its divisors is an integer number (6880473600).

Almost surely, 2^51102040223 is an apocalyptic number.

51102040223 is a deficient number, since it is larger than the sum of its proper divisors (3941748577).

51102040223 is a wasteful number, since it uses less digits than its factorization.

51102040223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 773041.

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 51102040223 its reverse (32204020115), we get a palindrome (83306060338).

The spelling of 51102040223 in words is "fifty-one billion, one hundred two million, forty thousand, two hundred twenty-three".