123004061340 has 48 divisors (see below), whose sum is σ = 364670867232. Its totient is φ = 30871607296.

The previous prime is 123004061329. The next prime is 123004061347. The reversal of 123004061340 is 43160400321.

It is a super-3 number, since 3×123004061340³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 123004061340.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123004061347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60295089 + ... + 60297128.

It is an arithmetic number, because the mean of its divisors is an integer number (7597309734).

Almost surely, 2^123004061340 is an apocalyptic number.

123004061340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123004061340 is an abundant number, since it is smaller than the sum of its proper divisors (241666805892).

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

123004061340 is a wasteful number, since it uses less digits than its factorization.

123004061340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120592246 (or 120592244 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 123004061340 its reverse (43160400321), we get a palindrome (166164461661).

The spelling of 123004061340 in words is "one hundred twenty-three billion, four million, sixty-one thousand, three hundred forty".