123244421111310 has 128 divisors (see below), whose sum is σ = 302927416197120. Its totient is φ = 32073092989056.

The previous prime is 123244421111257. The next prime is 123244421111333. The reversal of 123244421111310 is 13111124442321.

It is a super-2 number, since 2×123244421111310² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8345927547 + ... + 8345942313.

It is an arithmetic number, because the mean of its divisors is an integer number (2366620439040).

Almost surely, 2^{123244421111310} is an apocalyptic number.

123244421111310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 123244421111310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151463708098560).

123244421111310 is an abundant number, since it is smaller than the sum of its proper divisors (179682995085810).

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

123244421111310 is a wasteful number, since it uses less digits than its factorization.

123244421111310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19982.

The product of its (nonzero) digits is 4608, while the sum is 30.

Adding to 123244421111310 its reverse (13111124442321), we get a palindrome (136355545553631).

The spelling of 123244421111310 in words is "one hundred twenty-three trillion, two hundred forty-four billion, four hundred twenty-one million, one hundred eleven thousand, three hundred ten".