123032341044540 has 192 divisors, whose sum is σ = 387816254622720. Its totient is φ = 32377971628800.

The previous prime is 123032341044539. The next prime is 123032341044551. The reversal of 123032341044540 is 45440143230321.

123032341044540 is a `hidden beast` number, since 1 + 2 + 3 + 0 + 3 + 2 + 3 + 4 + 104 + 4 + 540 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 123032341044495 and 123032341044504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 13069809 + ... + 20417751.

It is an arithmetic number, because the mean of its divisors is an integer number (2019876326160).

Almost surely, 2^{123032341044540} is an apocalyptic number.

123032341044540 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 123032341044540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (193908127311360).

123032341044540 is an abundant number, since it is smaller than the sum of its proper divisors (264783913578180).

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

123032341044540 is a wasteful number, since it uses less digits than its factorization.

123032341044540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7348369 (or 7348361 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 36.

Adding to 123032341044540 its reverse (45440143230321), we get a palindrome (168472484274861).

The spelling of 123032341044540 in words is "one hundred twenty-three trillion, thirty-two billion, three hundred forty-one million, forty-four thousand, five hundred forty".