123020332110 has 192 divisors, whose sum is σ = 358902835200. Its totient is φ = 29030296320.

The previous prime is 123020332109. The next prime is 123020332121. The reversal of 123020332110 is 11233020321.

It is a super-2 number, since 2×123020332110² (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 congruent number.

It is an unprimeable number.

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 95 ways as a sum of consecutive naturals, for example, 3865041 + ... + 3896739.

It is an arithmetic number, because the mean of its divisors is an integer number (1869285600).

Almost surely, 2^123020332110 is an apocalyptic number.

123020332110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 123020332110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179451417600).

123020332110 is an abundant number, since it is smaller than the sum of its proper divisors (235882503090).

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

123020332110 is a wasteful number, since it uses less digits than its factorization.

123020332110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31863 (or 31860 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 123020332110 its reverse (11233020321), we get a palindrome (134253352431).

The spelling of 123020332110 in words is "one hundred twenty-three billion, twenty million, three hundred thirty-two thousand, one hundred ten".