123340244552 has 48 divisors (see below), whose sum is σ = 270195133500. Its totient is φ = 52629236352.

The previous prime is 123340244537. The next prime is 123340244563. The reversal of 123340244552 is 255442043321.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 88664590756 + 34675653796 = 297766^2 + 186214^2 .

It is a super-2 number, since 2×123340244552² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 597227 + ... + 776762.

Almost surely, 2^123340244552 is an apocalyptic number.

It is an amenable number.

123340244552 is an abundant number, since it is smaller than the sum of its proper divisors (146854888948).

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

123340244552 is a wasteful number, since it uses less digits than its factorization.

123340244552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1374238 (or 1374227 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 123340244552 its reverse (255442043321), we get a palindrome (378782287873).

The spelling of 123340244552 in words is "one hundred twenty-three billion, three hundred forty million, two hundred forty-four thousand, five hundred fifty-two".