123873607219 has 2 divisors, whose sum is σ = 123873607220. Its totient is φ = 123873607218.

The previous prime is 123873607199. The next prime is 123873607223. The reversal of 123873607219 is 912706378321.

It is a strong prime.

It is an emirp because it is prime and its reverse (912706378321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 123873607219 - 2¹¹ = 123873605171 is a prime.

It is a super-2 number, since 2×123873607219² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (123873607019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61936803609 + 61936803610.

It is an arithmetic number, because the mean of its divisors is an integer number (61936803610).

Almost surely, 2^123873607219 is an apocalyptic number.

123873607219 is a deficient number, since it is larger than the sum of its proper divisors (1).

123873607219 is an equidigital number, since it uses as much as digits as its factorization.

123873607219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 762048, while the sum is 49.

The spelling of 123873607219 in words is "one hundred twenty-three billion, eight hundred seventy-three million, six hundred seven thousand, two hundred nineteen".