123030303219 has 16 divisors (see below), whose sum is σ = 182324867200. Its totient is φ = 81994214088.

The previous prime is 123030303199. The next prime is 123030303239. The reversal of 123030303219 is 912303030321.

123030303219 is a `hidden beast` number, since 1 + 2 + 30 + 303 + 0 + 321 + 9 = 666.

It is an interprime number because it is at equal distance from previous prime (123030303199) and next prime (123030303239).

It is not a de Polignac number, because 123030303219 - 2¹⁷ = 123030172147 is a prime.

It is a super-2 number, since 2×123030303219² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123030303192 and 123030303201.

It is not an unprimeable number, because it can be changed into a prime (123030303239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 634909 + ... + 805710.

It is an arithmetic number, because the mean of its divisors is an integer number (11395304200).

Almost surely, 2^123030303219 is an apocalyptic number.

123030303219 is a deficient number, since it is larger than the sum of its proper divisors (59294563981).

123030303219 is a wasteful number, since it uses less digits than its factorization.

123030303219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1443791 (or 1443785 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 27.

The spelling of 123030303219 in words is "one hundred twenty-three billion, thirty million, three hundred three thousand, two hundred nineteen".