123043142343300 has 144 divisors (see below), whose sum is σ = 358066146049920. Its totient is φ = 32621757808640.

The previous prime is 123043142343293. The next prime is 123043142343313. The reversal of 123043142343300 is 3343241340321.

It is a happy number.

It is a super-2 number, since 2×123043142343300² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 82533097 + ... + 84010703.

It is an arithmetic number, because the mean of its divisors is an integer number (2486570458680).

Almost surely, 2^{123043142343300} is an apocalyptic number.

123043142343300 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 123043142343300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179033073024960).

123043142343300 is an abundant number, since it is smaller than the sum of its proper divisors (235023003706620).

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

123043142343300 is a wasteful number, since it uses less digits than its factorization.

123043142343300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1479230 (or 1479223 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 33.

Adding to 123043142343300 its reverse (3343241340321), we get a palindrome (126386383683621).

The spelling of 123043142343300 in words is "one hundred twenty-three trillion, forty-three billion, one hundred forty-two million, three hundred forty-three thousand, three hundred".