23085405656144 has 20 divisors (see below), whose sum is σ = 48168586802196. Its totient is φ = 10654802610432.

The previous prime is 23085405656123. The next prime is 23085405656161. The reversal of 23085405656144 is 44165650458032.

It can be written as a sum of positive squares in 2 ways, for example, as 15127432360000 + 7957973296144 = 3889400^2 + 2820988^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55493763389 + ... + 55493763804.

Almost surely, 2^{23085405656144} is an apocalyptic number.

It is an amenable number.

23085405656144 is an abundant number, since it is smaller than the sum of its proper divisors (25083181146052).

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

23085405656144 is a wasteful number, since it uses less digits than its factorization.

23085405656144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110987527214 (or 110987527208 counting only the distinct ones).

The product of its (nonzero) digits is 13824000, while the sum is 53.

The spelling of 23085405656144 in words is "twenty-three trillion, eighty-five billion, four hundred five million, six hundred fifty-six thousand, one hundred forty-four".