123443220230330 has 256 divisors, whose sum is σ = 316632780656640. Its totient is φ = 33646854954240.

The previous prime is 123443220230303. The next prime is 123443220230333. The reversal of 123443220230330 is 33032022344321.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (123443220230333) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 20330957 + ... + 25695023.

It is an arithmetic number, because the mean of its divisors is an integer number (1236846799440).

Almost surely, 2^{123443220230330} is an apocalyptic number.

123443220230330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123443220230330 is an abundant number, since it is smaller than the sum of its proper divisors (193189560426310).

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

123443220230330 is a wasteful number, since it uses less digits than its factorization.

123443220230330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5364146 (or 5364124 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 32.

Adding to 123443220230330 its reverse (33032022344321), we get a palindrome (156475242574651).

The spelling of 123443220230330 in words is "one hundred twenty-three trillion, four hundred forty-three billion, two hundred twenty million, two hundred thirty thousand, three hundred thirty".