123326553660 has 48 divisors (see below), whose sum is σ = 345363670176. Its totient is φ = 32882383872.

The previous prime is 123326553631. The next prime is 123326553667. The reversal of 123326553660 is 66355623321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123326553667) 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, 287424 + ... + 573816.

It is an arithmetic number, because the mean of its divisors is an integer number (7195076462).

Almost surely, 2^123326553660 is an apocalyptic number.

123326553660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123326553660 is an abundant number, since it is smaller than the sum of its proper divisors (222037116516).

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

123326553660 is a wasteful number, since it uses less digits than its factorization.

123326553660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293582 (or 293580 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 42.

The spelling of 123326553660 in words is "one hundred twenty-three billion, three hundred twenty-six million, five hundred fifty-three thousand, six hundred sixty".