123243423403324 has 288 divisors, whose sum is σ = 287661286241280. Its totient is φ = 44973055125504.

The previous prime is 123243423403187. The next prime is 123243423403351. The reversal of 123243423403324 is 423304324342321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2932740177 + ... + 2932782199.

It is an arithmetic number, because the mean of its divisors is an integer number (998823910560).

Almost surely, 2^{123243423403324} is an apocalyptic number.

123243423403324 is a gapful number since it is divisible by the number (14) 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 123243423403324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143830643120640).

123243423403324 is an abundant number, since it is smaller than the sum of its proper divisors (164417862837956).

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

123243423403324 is a wasteful number, since it uses less digits than its factorization.

123243423403324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42729 (or 42704 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 40.

Adding to 123243423403324 its reverse (423304324342321), we get a palindrome (546547747745645).

The spelling of 123243423403324 in words is "one hundred twenty-three trillion, two hundred forty-three billion, four hundred twenty-three million, four hundred three thousand, three hundred twenty-four".