123242361660 has 144 divisors (see below), whose sum is σ = 417767287392. Its totient is φ = 29148211200.

The previous prime is 123242361623. The next prime is 123242361707. The reversal of 123242361660 is 66163242321.

123242361660 is a `hidden beast` number, since 1 + 2 + 32 + 4 + 2 + 3 + 616 + 6 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 677889 + ... + 840248.

It is an arithmetic number, because the mean of its divisors is an integer number (2901161718).

Almost surely, 2^123242361660 is an apocalyptic number.

123242361660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123242361660 is an abundant number, since it is smaller than the sum of its proper divisors (294524925732).

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

123242361660 is a wasteful number, since it uses less digits than its factorization.

123242361660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1518204 (or 1518199 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The spelling of 123242361660 in words is "one hundred twenty-three billion, two hundred forty-two million, three hundred sixty-one thousand, six hundred sixty".