123443220013300 has 144 divisors (see below), whose sum is σ = 294181916402304. Its totient is φ = 44587699200000.

The previous prime is 123443220013271. The next prime is 123443220013301. The reversal of 123443220013300 is 3310022344321.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123443220013301) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3201226020 + ... + 3201264580.

It is an arithmetic number, because the mean of its divisors is an integer number (2042929975016).

Almost surely, 2^{123443220013300} is an apocalyptic number.

123443220013300 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 123443220013300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147090958201152).

123443220013300 is an abundant number, since it is smaller than the sum of its proper divisors (170738696389004).

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

123443220013300 is a wasteful number, since it uses less digits than its factorization.

123443220013300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58010 (or 58003 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 123443220013300 its reverse (3310022344321), we get a palindrome (126753242357621).

The spelling of 123443220013300 in words is "one hundred twenty-three trillion, four hundred forty-three billion, two hundred twenty million, thirteen thousand, three hundred".