123284528680 has 64 divisors (see below), whose sum is σ = 290260915200. Its totient is φ = 47069268480.

The previous prime is 123284528651. The next prime is 123284528681. The reversal of 123284528680 is 86825482321.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (123284528681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 590460 + ... + 771499.

It is an arithmetic number, because the mean of its divisors is an integer number (4535326800).

Almost surely, 2^123284528680 is an apocalyptic number.

123284528680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123284528680 is an abundant number, since it is smaller than the sum of its proper divisors (166976386520).

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

123284528680 is a wasteful number, since it uses less digits than its factorization.

123284528680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1362074 (or 1362070 counting only the distinct ones).

The product of its (nonzero) digits is 1474560, while the sum is 49.

The spelling of 123284528680 in words is "one hundred twenty-three billion, two hundred eighty-four million, five hundred twenty-eight thousand, six hundred eighty".