123103122330 has 64 divisors (see below), whose sum is σ = 303073550208. Its totient is φ = 31983974400.

The previous prime is 123103122299. The next prime is 123103122347. The reversal of 123103122330 is 33221301321.

It is a junction number, because it is equal to n+sod(n) for n = 123103122297 and 123103122306.

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 31 ways as a sum of consecutive naturals, for example, 398302 + ... + 636278.

It is an arithmetic number, because the mean of its divisors is an integer number (4735524222).

Almost surely, 2^123103122330 is an apocalyptic number.

123103122330 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 123103122330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151536775104).

123103122330 is an abundant number, since it is smaller than the sum of its proper divisors (179970427878).

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

123103122330 is a wasteful number, since it uses less digits than its factorization.

123103122330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238431.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 123103122330 its reverse (33221301321), we get a palindrome (156324423651).

The spelling of 123103122330 in words is "one hundred twenty-three billion, one hundred three million, one hundred twenty-two thousand, three hundred thirty".