23112173778672 has 160 divisors (see below), whose sum is σ = 65253551005440. Its totient is φ = 6990873384960.

The previous prime is 23112173778601. The next prime is 23112173778689. The reversal of 23112173778672 is 27687737121132.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1676124354 + ... + 1676138142.

It is an arithmetic number, because the mean of its divisors is an integer number (407834693784).

Almost surely, 2^{23112173778672} is an apocalyptic number.

23112173778672 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23112173778672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32626775502720).

23112173778672 is an abundant number, since it is smaller than the sum of its proper divisors (42141377226768).

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

23112173778672 is a wasteful number, since it uses less digits than its factorization.

23112173778672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19391 (or 19385 counting only the distinct ones).

The product of its digits is 8297856, while the sum is 57.

The spelling of 23112173778672 in words is "twenty-three trillion, one hundred twelve billion, one hundred seventy-three million, seven hundred seventy-eight thousand, six hundred seventy-two".