123221300319 has 12 divisors (see below), whose sum is σ = 191677578456. Its totient is φ = 75828492432.

The previous prime is 123221300317. The next prime is 123221300333. The reversal of 123221300319 is 913003122321.

123221300319 is a `hidden beast` number, since 1 + 2 + 322 + 1 + 300 + 31 + 9 = 666.

It is not a de Polignac number, because 123221300319 - 2¹ = 123221300317 is a prime.

It is a super-2 number, since 2×123221300319² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123221300292 and 123221300301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123221300317) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 526586637 + ... + 526586870.

It is an arithmetic number, because the mean of its divisors is an integer number (15973131538).

Almost surely, 2^123221300319 is an apocalyptic number.

123221300319 is a deficient number, since it is larger than the sum of its proper divisors (68456278137).

123221300319 is a wasteful number, since it uses less digits than its factorization.

123221300319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1053173526 (or 1053173523 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The spelling of 123221300319 in words is "one hundred twenty-three billion, two hundred twenty-one million, three hundred thousand, three hundred nineteen".