123310330000 has 400 divisors, whose sum is σ = 357577488576. Its totient is φ = 40584960000.

The previous prime is 123310329997. The next prime is 123310330009. The reversal of 123310330000 is 33013321.

It is a tau number, because it is divible by the number of its divisors (400).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (123310330009) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 75789187 + ... + 75790813.

Almost surely, 2^123310330000 is an apocalyptic number.

123310330000 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 123310330000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178788744288).

123310330000 is an abundant number, since it is smaller than the sum of its proper divisors (234267158576).

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

123310330000 is a wasteful number, since it uses less digits than its factorization.

123310330000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1732 (or 1711 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 16.

Adding to 123310330000 its reverse (33013321), we get a palindrome (123343343321).

The spelling of 123310330000 in words is "one hundred twenty-three billion, three hundred ten million, three hundred thirty thousand".