123315300220140 has 576 divisors, whose sum is σ = 472387413528576. Its totient is φ = 25371288797184.

The previous prime is 123315300220109. The next prime is 123315300220169. The reversal of 123315300220140 is 41022003513321.

123315300220140 is a `hidden beast` number, since 1 + 2 + 3 + 315 + 300 + 2 + 2 + 0 + 1 + 40 = 666.

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 191 ways as a sum of consecutive naturals, for example, 4666954969 + ... + 4666981391.

It is an arithmetic number, because the mean of its divisors is an integer number (820117037376).

Almost surely, 2^{123315300220140} is an apocalyptic number.

123315300220140 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 123315300220140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (236193706764288).

123315300220140 is an abundant number, since it is smaller than the sum of its proper divisors (349072113308436).

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

123315300220140 is a wasteful number, since it uses less digits than its factorization.

123315300220140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35958 (or 35953 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 123315300220140 its reverse (41022003513321), we get a palindrome (164337303733461).

The spelling of 123315300220140 in words is "one hundred twenty-three trillion, three hundred fifteen billion, three hundred million, two hundred twenty thousand, one hundred forty".