123110133020 has 24 divisors (see below), whose sum is σ = 295464319584. Its totient is φ = 42209188416.

The previous prime is 123110133019. The next prime is 123110133043. The reversal of 123110133020 is 20331011321.

It is a super-2 number, since 2×123110133020² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 123110133020.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 439678907 + ... + 439679186.

It is an arithmetic number, because the mean of its divisors is an integer number (12311013316).

Almost surely, 2^123110133020 is an apocalyptic number.

123110133020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123110133020 is an abundant number, since it is smaller than the sum of its proper divisors (172354186564).

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

123110133020 is a wasteful number, since it uses less digits than its factorization.

123110133020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 879358109 (or 879358107 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 123110133020 its reverse (20331011321), we get a palindrome (143441144341).

The spelling of 123110133020 in words is "one hundred twenty-three billion, one hundred ten million, one hundred thirty-three thousand, twenty".