123336242652 has 48 divisors (see below), whose sum is σ = 329269321472. Its totient is φ = 35198997120.

The previous prime is 123336242651. The next prime is 123336242677. The reversal of 123336242652 is 256242633321.

It is a self number, because there is not a number n which added to its sum of digits gives 123336242652.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123336242651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 757249 + ... + 905592.

Almost surely, 2^123336242652 is an apocalyptic number.

123336242652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

123336242652 is an abundant number, since it is smaller than the sum of its proper divisors (205933078820).

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

123336242652 is a wasteful number, since it uses less digits than its factorization.

123336242652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1663738 (or 1663736 counting only the distinct ones).

The product of its digits is 311040, while the sum is 39.

Adding to 123336242652 its reverse (256242633321), we get a palindrome (379578875973).

The spelling of 123336242652 in words is "one hundred twenty-three billion, three hundred thirty-six million, two hundred forty-two thousand, six hundred fifty-two".