123234340244 has 12 divisors (see below), whose sum is σ = 215719319424. Its totient is φ = 61600248984.

The previous prime is 123234340213. The next prime is 123234340249. The reversal of 123234340244 is 442043432321.

It is a self number, because there is not a number n which added to its sum of digits gives 123234340244.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123234340249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4213892 + ... + 4243035.

It is an arithmetic number, because the mean of its divisors is an integer number (17976609952).

Almost surely, 2^123234340244 is an apocalyptic number.

It is an amenable number.

123234340244 is a deficient number, since it is larger than the sum of its proper divisors (92484979180).

123234340244 is a wasteful number, since it uses less digits than its factorization.

123234340244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8460574 (or 8460572 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 123234340244 its reverse (442043432321), we get a palindrome (565277772565).

The spelling of 123234340244 in words is "one hundred twenty-three billion, two hundred thirty-four million, three hundred forty thousand, two hundred forty-four".