123133340000 has 240 divisors, whose sum is σ = 331362130176. Its totient is φ = 44654400000.

The previous prime is 123133339991. The next prime is 123133340009. The reversal of 123133340000 is 43331321.

It is an interprime number because it is at equal distance from previous prime (123133339991) and next prime (123133340009).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123133340009) by changing a digit.

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 39 ways as a sum of consecutive naturals, for example, 138819557 + ... + 138820443.

Almost surely, 2^123133340000 is an apocalyptic number.

123133340000 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 123133340000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165681065088).

123133340000 is an abundant number, since it is smaller than the sum of its proper divisors (208228790176).

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

123133340000 is an equidigital number, since it uses as much as digits as its factorization.

123133340000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1559 (or 1536 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 123133340000 its reverse (43331321), we get a palindrome (123176671321).

The spelling of 123133340000 in words is "one hundred twenty-three billion, one hundred thirty-three million, three hundred forty thousand".