123112303000 has 128 divisors (see below), whose sum is σ = 291594139200. Its totient is φ = 48646656000.

The previous prime is 123112302961. The next prime is 123112303001. The reversal of 123112303000 is 303211321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123112303001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 80412235 + ... + 80413765.

Almost surely, 2^123112303000 is an apocalyptic number.

123112303000 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 123112303000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145797069600).

123112303000 is an abundant number, since it is smaller than the sum of its proper divisors (168481836200).

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

123112303000 is a wasteful number, since it uses less digits than its factorization.

123112303000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2478 (or 2464 counting only the distinct ones).

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

Adding to 123112303000 its reverse (303211321), we get a palindrome (123415514321).

The spelling of 123112303000 in words is "one hundred twenty-three billion, one hundred twelve million, three hundred three thousand".