123816872982 has 96 divisors (see below), whose sum is σ = 275873681664. Its totient is φ = 37014183360.

The previous prime is 123816872957. The next prime is 123816873017. The reversal of 123816872982 is 289278618321.

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 64053288 + ... + 64055220.

It is an arithmetic number, because the mean of its divisors is an integer number (2873684184).

Almost surely, 2^123816872982 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123816872982, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137936840832).

123816872982 is an abundant number, since it is smaller than the sum of its proper divisors (152056808682).

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

123816872982 is a wasteful number, since it uses less digits than its factorization.

123816872982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3106 (or 3095 counting only the distinct ones).

The product of its digits is 4644864, while the sum is 57.

The spelling of 123816872982 in words is "one hundred twenty-three billion, eight hundred sixteen million, eight hundred seventy-two thousand, nine hundred eighty-two".