23641810853136 has 160 divisors (see below), whose sum is σ = 70426834417920. Its totient is φ = 6694122258432.

The previous prime is 23641810853113. The next prime is 23641810853137. The reversal of 23641810853136 is 63135801814632.

It is a super-2 number, since 2×23641810853136² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23641810853137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 311641386 + ... + 311717238.

It is an arithmetic number, because the mean of its divisors is an integer number (440167715112).

Almost surely, 2^{23641810853136} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23641810853136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35213417208960).

23641810853136 is an abundant number, since it is smaller than the sum of its proper divisors (46785023564784).

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

23641810853136 is a wasteful number, since it uses less digits than its factorization.

23641810853136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84193 (or 84187 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 51.

The spelling of 23641810853136 in words is "twenty-three trillion, six hundred forty-one billion, eight hundred ten million, eight hundred fifty-three thousand, one hundred thirty-six".