123108310626 has 64 divisors (see below), whose sum is σ = 288580976640. Its totient is φ = 34281253440.

The previous prime is 123108310609. The next prime is 123108310657. The reversal of 123108310626 is 626013801321.

It is a super-2 number, since 2×123108310626² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 341316 + ... + 602256.

It is an arithmetic number, because the mean of its divisors is an integer number (4509077760).

Almost surely, 2^123108310626 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123108310626, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144290488320).

123108310626 is an abundant number, since it is smaller than the sum of its proper divisors (165472666014).

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

123108310626 is a wasteful number, since it uses less digits than its factorization.

123108310626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261239.

The product of its (nonzero) digits is 10368, while the sum is 33.

The spelling of 123108310626 in words is "one hundred twenty-three billion, one hundred eight million, three hundred ten thousand, six hundred twenty-six".