123130101321 has 16 divisors (see below), whose sum is σ = 182429392320. Its totient is φ = 82080241920.

The previous prime is 123130101257. The next prime is 123130101337. The reversal of 123130101321 is 123101031321.

123130101321 is a `hidden beast` number, since 1 + 231 + 301 + 0 + 132 + 1 = 666.

It is not a de Polignac number, because 123130101321 - 2⁶ = 123130101257 is a prime.

It is a super-2 number, since 2×123130101321² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123130101294 and 123130101303.

It is not an unprimeable number, because it can be changed into a prime (123130101361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 180486 + ... + 528048.

It is an arithmetic number, because the mean of its divisors is an integer number (11401837020).

Almost surely, 2^123130101321 is an apocalyptic number.

It is an amenable number.

123130101321 is a deficient number, since it is larger than the sum of its proper divisors (59299290999).

123130101321 is a wasteful number, since it uses less digits than its factorization.

123130101321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360693 (or 360687 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 123130101321 its reverse (123101031321), we get a palindrome (246231132642).

The spelling of 123130101321 in words is "one hundred twenty-three billion, one hundred thirty million, one hundred one thousand, three hundred twenty-one".