823706123112 has 96 divisors (see below), whose sum is σ = 2363242845600. Its totient is φ = 258460854912.

The previous prime is 823706123099. The next prime is 823706123159. The reversal of 823706123112 is 211321607328.

823706123112 is a `hidden beast` number, since 8 + 2 + 3 + 7 + 0 + 612 + 31 + 1 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1702818 + ... + 2132369.

It is an arithmetic number, because the mean of its divisors is an integer number (24617112975).

Almost surely, 2^823706123112 is an apocalyptic number.

It is an amenable number.

823706123112 is an abundant number, since it is smaller than the sum of its proper divisors (1539536722488).

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

823706123112 is a wasteful number, since it uses less digits than its factorization.

823706123112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3835375 (or 3835368 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The spelling of 823706123112 in words is "eight hundred twenty-three billion, seven hundred six million, one hundred twenty-three thousand, one hundred twelve".