123113210310 has 32 divisors (see below), whose sum is σ = 328301894880. Its totient is φ = 32830189344.

The previous prime is 123113210291. The next prime is 123113210317. The reversal of 123113210310 is 13012311321.

123113210310 is a `hidden beast` number, since 1 + 2 + 31 + 1 + 321 + 0 + 310 = 666.

It is a super-2 number, since 2×123113210310² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123113210317) 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, 227987157 + ... + 227987696.

It is an arithmetic number, because the mean of its divisors is an integer number (10259434215).

Almost surely, 2^123113210310 is an apocalyptic number.

123113210310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123113210310 is an abundant number, since it is smaller than the sum of its proper divisors (205188684570).

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

123113210310 is a wasteful number, since it uses less digits than its factorization.

123113210310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455974869 (or 455974863 counting only the distinct ones).

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

Adding to 123113210310 its reverse (13012311321), we get a palindrome (136125521631).

The spelling of 123113210310 in words is "one hundred twenty-three billion, one hundred thirteen million, two hundred ten thousand, three hundred ten".