123364505106 has 48 divisors (see below), whose sum is σ = 270876303360. Its totient is φ = 40570508160.

The previous prime is 123364505029. The next prime is 123364505107. The reversal of 123364505106 is 601505463321.

123364505106 is a `hidden beast` number, since 1 + 2 + 3 + 3 + 645 + 0 + 5 + 1 + 0 + 6 = 666.

It is a super-2 number, since 2×123364505106² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (123364505107) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1903471 + ... + 1967213.

It is an arithmetic number, because the mean of its divisors is an integer number (5643256320).

Almost surely, 2^123364505106 is an apocalyptic number.

123364505106 is an abundant number, since it is smaller than the sum of its proper divisors (147511798254).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123364505106 is a wasteful number, since it uses less digits than its factorization.

123364505106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65191 (or 65188 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

Adding to 123364505106 its reverse (601505463321), we get a palindrome (724869968427).

The spelling of 123364505106 in words is "one hundred twenty-three billion, three hundred sixty-four million, five hundred five thousand, one hundred six".