123223030000 has 400 divisors, whose sum is σ = 356796538560. Its totient is φ = 40320000000.

The previous prime is 123223029983. The next prime is 123223030009. The reversal of 123223030000 is 30322321.

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 a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123223030009) 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 79 ways as a sum of consecutive naturals, for example, 205029700 + ... + 205030300.

Almost surely, 2^123223030000 is an apocalyptic number.

123223030000 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 123223030000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178398269280).

123223030000 is an abundant number, since it is smaller than the sum of its proper divisors (233573508560).

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

123223030000 is a wasteful number, since it uses less digits than its factorization.

123223030000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 766 (or 745 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 123223030000 its reverse (30322321), we get a palindrome (123253352321).

The spelling of 123223030000 in words is "one hundred twenty-three billion, two hundred twenty-three million, thirty thousand".