123103113012330 has 128 divisors (see below), whose sum is σ = 330289006012416. Its totient is φ = 29106092870400.

The previous prime is 123103113012329. The next prime is 123103113012349. The reversal of 123103113012330 is 33210311301321.

It is a self number, because there is not a number n which added to its sum of digits gives 123103113012330.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3199435 + ... + 16013825.

It is an arithmetic number, because the mean of its divisors is an integer number (2580382859472).

Almost surely, 2^{123103113012330} is an apocalyptic number.

123103113012330 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 123103113012330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165144503006208).

123103113012330 is an abundant number, since it is smaller than the sum of its proper divisors (207185893000086).

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

123103113012330 is a wasteful number, since it uses less digits than its factorization.

123103113012330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12815132.

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 123103113012330 its reverse (33210311301321), we get a palindrome (156313424313651).

The spelling of 123103113012330 in words is "one hundred twenty-three trillion, one hundred three billion, one hundred thirteen million, twelve thousand, three hundred thirty".