123100029984 has 48 divisors (see below), whose sum is σ = 323479039968. Its totient is φ = 40989983232.

The previous prime is 123100029971. The next prime is 123100030007. The reversal of 123100029984 is 489920001321.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 586117 + ... + 767940.

It is an arithmetic number, because the mean of its divisors is an integer number (6739146666).

Almost surely, 2^123100029984 is an apocalyptic number.

It is an amenable number.

123100029984 is an abundant number, since it is smaller than the sum of its proper divisors (200379009984).

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

123100029984 is a wasteful number, since it uses less digits than its factorization.

123100029984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1355017 (or 1355009 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 39.

The spelling of 123100029984 in words is "one hundred twenty-three billion, one hundred million, twenty-nine thousand, nine hundred eighty-four".