23643771574816 has 12 divisors (see below), whose sum is σ = 46548675287982. Its totient is φ = 11821885787392.

The previous prime is 23643771574811. The next prime is 23643771574889. The reversal of 23643771574816 is 61847517734632.

It can be written as a sum of positive squares in only one way, i.e., 22980556790416 + 663214784400 = 4793804^2 + 814380^2 .

It is not an unprimeable number, because it can be changed into a prime (23643771574811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 369433930825 + ... + 369433930888.

Almost surely, 2^{23643771574816} is an apocalyptic number.

It is an amenable number.

23643771574816 is a deficient number, since it is larger than the sum of its proper divisors (22904903713166).

23643771574816 is an equidigital number, since it uses as much as digits as its factorization.

23643771574816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 738867861723 (or 738867861715 counting only the distinct ones).

The product of its digits is 142248960, while the sum is 64.

The spelling of 23643771574816 in words is "twenty-three trillion, six hundred forty-three billion, seven hundred seventy-one million, five hundred seventy-four thousand, eight hundred sixteen".