123420346114340 has 96 divisors (see below), whose sum is σ = 283541581209600. Its totient is φ = 44753674331520.

The previous prime is 123420346114309. The next prime is 123420346114363. The reversal of 123420346114340 is 43411643024321.

It is a junction number, because it is equal to n+sod(n) for n = 123420346114294 and 123420346114303.

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, 946126841 + ... + 946257279.

It is an arithmetic number, because the mean of its divisors is an integer number (2953558137600).

Almost surely, 2^{123420346114340} is an apocalyptic number.

123420346114340 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 123420346114340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141770790604800).

123420346114340 is an abundant number, since it is smaller than the sum of its proper divisors (160121235095260).

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

123420346114340 is a wasteful number, since it uses less digits than its factorization.

123420346114340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142545 (or 142543 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 38.

Adding to 123420346114340 its reverse (43411643024321), we get a palindrome (166831989138661).

The spelling of 123420346114340 in words is "one hundred twenty-three trillion, four hundred twenty billion, three hundred forty-six million, one hundred fourteen thousand, three hundred forty".