123005141340 has 48 divisors (see below), whose sum is σ = 347126341632. Its totient is φ = 32543090496.

The previous prime is 123005141297. The next prime is 123005141407. The reversal of 123005141340 is 43141500321.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 123005141340.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8063584 + ... + 8078823.

It is an arithmetic number, because the mean of its divisors is an integer number (7231798784).

Almost surely, 2^123005141340 is an apocalyptic number.

123005141340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123005141340 is an abundant number, since it is smaller than the sum of its proper divisors (224121200292).

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

123005141340 is a wasteful number, since it uses less digits than its factorization.

123005141340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16142546 (or 16142544 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 123005141340 its reverse (43141500321), we get a palindrome (166146641661).

The spelling of 123005141340 in words is "one hundred twenty-three billion, five million, one hundred forty-one thousand, three hundred forty".