123310331984 has 40 divisors (see below), whose sum is σ = 273083950080. Its totient is φ = 52839612288.

The previous prime is 123310331983. The next prime is 123310332011. The reversal of 123310331984 is 489133013321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123310331983) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 731537 + ... + 884175.

It is an arithmetic number, because the mean of its divisors is an integer number (6827098752).

Almost surely, 2^123310331984 is an apocalyptic number.

123310331984 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

123310331984 is an abundant number, since it is smaller than the sum of its proper divisors (149773618096).

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

123310331984 is a wasteful number, since it uses less digits than its factorization.

123310331984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159867 (or 159861 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 38.

The spelling of 123310331984 in words is "one hundred twenty-three billion, three hundred ten million, three hundred thirty-one thousand, nine hundred eighty-four".