123553323300 has 216 divisors, whose sum is σ = 399279132000. Its totient is φ = 29254310400.

The previous prime is 123553323293. The next prime is 123553323317. The reversal of 123553323300 is 3323355321.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 6091576 + ... + 6111824.

It is an arithmetic number, because the mean of its divisors is an integer number (1848514500).

Almost surely, 2^123553323300 is an apocalyptic number.

123553323300 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 123553323300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (199639566000).

123553323300 is an abundant number, since it is smaller than the sum of its proper divisors (275725808700).

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

123553323300 is a wasteful number, since it uses less digits than its factorization.

123553323300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20363 (or 20313 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 30.

Adding to 123553323300 its reverse (3323355321), we get a palindrome (126876678621).

The spelling of 123553323300 in words is "one hundred twenty-three billion, five hundred fifty-three million, three hundred twenty-three thousand, three hundred".