123052320784 has 20 divisors (see below), whose sum is σ = 250961970640. Its totient is φ = 58287941280.

The previous prime is 123052320779. The next prime is 123052320817. The reversal of 123052320784 is 487023250321.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 202388382 + ... + 202388989.

It is an arithmetic number, because the mean of its divisors is an integer number (12548098532).

Almost surely, 2^123052320784 is an apocalyptic number.

It is an amenable number.

123052320784 is an abundant number, since it is smaller than the sum of its proper divisors (127909649856).

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

123052320784 is a wasteful number, since it uses less digits than its factorization.

123052320784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404777398 (or 404777392 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 37.

The spelling of 123052320784 in words is "one hundred twenty-three billion, fifty-two million, three hundred twenty thousand, seven hundred eighty-four".