123044534542200 has 768 divisors, whose sum is σ = 455606446464000. Its totient is φ = 27228020244480.

The previous prime is 123044534542169. The next prime is 123044534542211. The reversal of 123044534542200 is 2245435440321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 164550766 + ... + 165296834.

It is an arithmetic number, because the mean of its divisors is an integer number (593237560500).

Almost surely, 2^{123044534542200} is an apocalyptic number.

123044534542200 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 123044534542200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (227803223232000).

123044534542200 is an abundant number, since it is smaller than the sum of its proper divisors (332561911921800).

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

123044534542200 is a wasteful number, since it uses less digits than its factorization.

123044534542200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 746184 (or 746175 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 39.

Adding to 123044534542200 its reverse (2245435440321), we get a palindrome (125289969982521).

The spelling of 123044534542200 in words is "one hundred twenty-three trillion, forty-four billion, five hundred thirty-four million, five hundred forty-two thousand, two hundred".