123314335521340 has 24 divisors (see below), whose sum is σ = 258960315000240. Its totient is φ = 49325694131328.

The previous prime is 123314335521263. The next prime is 123314335521347. The reversal of 123314335521340 is 43125533413321.

It is a junction number, because it is equal to n+sod(n) for n = 123314335521293 and 123314335521302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123314335521347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42093519 + ... + 44927641.

It is an arithmetic number, because the mean of its divisors is an integer number (10790013125010).

Almost surely, 2^{123314335521340} is an apocalyptic number.

123314335521340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123314335521340 is an abundant number, since it is smaller than the sum of its proper divisors (135645979478900).

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

123314335521340 is a wasteful number, since it uses less digits than its factorization.

123314335521340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5009661 (or 5009659 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 40.

Adding to 123314335521340 its reverse (43125533413321), we get a palindrome (166439868934661).

The spelling of 123314335521340 in words is "one hundred twenty-three trillion, three hundred fourteen billion, three hundred thirty-five million, five hundred twenty-one thousand, three hundred forty".