23655850664238 has 256 divisors, whose sum is σ = 61886909952000. Its totient is φ = 6631918239744.

The previous prime is 23655850664177. The next prime is 23655850664263. The reversal of 23655850664238 is 83246605855632.

23655850664238 is a `hidden beast` number, since 2 + 3 + 6 + 5 + 58 + 506 + 6 + 42 + 38 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 99289131 + ... + 99527097.

It is an arithmetic number, because the mean of its divisors is an integer number (241745742000).

Almost surely, 2^{23655850664238} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23655850664238, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30943454976000).

23655850664238 is an abundant number, since it is smaller than the sum of its proper divisors (38231059287762).

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

23655850664238 is a wasteful number, since it uses less digits than its factorization.

23655850664238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238296 (or 238290 counting only the distinct ones).

The product of its (nonzero) digits is 248832000, while the sum is 63.

The spelling of 23655850664238 in words is "twenty-three trillion, six hundred fifty-five billion, eight hundred fifty million, six hundred sixty-four thousand, two hundred thirty-eight".