123103021300 has 72 divisors (see below), whose sum is σ = 305950042944. Its totient is φ = 42116259840.

The previous prime is 123103021297. The next prime is 123103021313. The reversal of 123103021300 is 3120301321.

123103021300 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 138612 + ... + 515188.

It is an arithmetic number, because the mean of its divisors is an integer number (4249306152).

Almost surely, 2^123103021300 is an apocalyptic number.

123103021300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123103021300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152975021472).

123103021300 is an abundant number, since it is smaller than the sum of its proper divisors (182847021644).

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

123103021300 is a wasteful number, since it uses less digits than its factorization.

123103021300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377065 (or 377058 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 123103021300 its reverse (3120301321), we get a palindrome (126223322621).

The spelling of 123103021300 in words is "one hundred twenty-three billion, one hundred three million, twenty-one thousand, three hundred".