123301321104540 has 192 divisors, whose sum is σ = 359048376207360. Its totient is φ = 31578063390720.

The previous prime is 123301321104539. The next prime is 123301321104583. The reversal of 123301321104540 is 45401123103321.

It is a super-2 number, since 2×123301321104540² (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 junction number, because it is equal to n+sod(n) for n = 123301321104498 and 123301321104507.

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, 290728279 + ... + 291152081.

It is an arithmetic number, because the mean of its divisors is an integer number (1870043626080).

Almost surely, 2^{123301321104540} is an apocalyptic number.

123301321104540 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 123301321104540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179524188103680).

123301321104540 is an abundant number, since it is smaller than the sum of its proper divisors (235747055102820).

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

123301321104540 is a wasteful number, since it uses less digits than its factorization.

123301321104540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424732 (or 424730 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

Adding to 123301321104540 its reverse (45401123103321), we get a palindrome (168702444207861).

The spelling of 123301321104540 in words is "one hundred twenty-three trillion, three hundred one billion, three hundred twenty-one million, one hundred four thousand, five hundred forty".