123545005410320 has 160 divisors (see below), whose sum is σ = 309618076924800. Its totient is φ = 45575289925632.

The previous prime is 123545005410319. The next prime is 123545005410383. The reversal of 123545005410320 is 23014500545321.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5633853116 + ... + 5633875044.

It is an arithmetic number, because the mean of its divisors is an integer number (1935112980780).

Almost surely, 2^{123545005410320} is an apocalyptic number.

123545005410320 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 123545005410320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154809038462400).

123545005410320 is an abundant number, since it is smaller than the sum of its proper divisors (186073071514480).

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

123545005410320 is a wasteful number, since it uses less digits than its factorization.

123545005410320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26617 (or 26611 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 35.

Adding to 123545005410320 its reverse (23014500545321), we get a palindrome (146559505955641).

The spelling of 123545005410320 in words is "one hundred twenty-three trillion, five hundred forty-five billion, five million, four hundred ten thousand, three hundred twenty".