123045055200 has 216 divisors, whose sum is σ = 434426101200. Its totient is φ = 32771297280.

The previous prime is 123045055181. The next prime is 123045055219. The reversal of 123045055200 is 2550540321.

It is a happy number.

123045055200 is a `hidden beast` number, since 1 + 2 + 3 + 0 + 450 + 5 + 5 + 200 = 666.

It is an interprime number because it is at equal distance from previous prime (123045055181) and next prime (123045055219).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 6030616 + ... + 6050984.

It is an arithmetic number, because the mean of its divisors is an integer number (2011231950).

Almost surely, 2^123045055200 is an apocalyptic number.

123045055200 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 123045055200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (217213050600).

123045055200 is an abundant number, since it is smaller than the sum of its proper divisors (311381046000).

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

123045055200 is a wasteful number, since it uses less digits than its factorization.

123045055200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21234 (or 21218 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

Adding to 123045055200 its reverse (2550540321), we get a palindrome (125595595521).

The spelling of 123045055200 in words is "one hundred twenty-three billion, forty-five million, fifty-five thousand, two hundred".