51100144223 has 8 divisors (see below), whose sum is σ = 54763022688. Its totient is φ = 47557360224.

The previous prime is 51100144169. The next prime is 51100144253. The reversal of 51100144223 is 32244100115.

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 51100144223 - 2⁶ = 51100144159 is a prime.

It is a super-2 number, since 2×51100144223² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51100144253) 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, 30022736 + ... + 30024437.

It is an arithmetic number, because the mean of its divisors is an integer number (6845377836).

Almost surely, 2^51100144223 is an apocalyptic number.

51100144223 is a deficient number, since it is larger than the sum of its proper divisors (3662878465).

51100144223 is a wasteful number, since it uses less digits than its factorization.

51100144223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60047233.

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 51100144223 its reverse (32244100115), we get a palindrome (83344244338).

The spelling of 51100144223 in words is "fifty-one billion, one hundred million, one hundred forty-four thousand, two hundred twenty-three".