23878361640894 has 16 divisors (see below), whose sum is σ = 47757320375040. Its totient is φ = 7959354364760.

The previous prime is 23878361640869. The next prime is 23878361640899. The reversal of 23878361640894 is 49804616387832.

It is a Smith number, since the sum of its digits (69) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23878361640899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24358164 + ... + 25319495.

It is an arithmetic number, because the mean of its divisors is an integer number (2984832523440).

Almost surely, 2^{23878361640894} is an apocalyptic number.

23878361640894 is an abundant number, since it is smaller than the sum of its proper divisors (23878958734146).

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

23878361640894 is a wasteful number, since it uses less digits than its factorization.

23878361640894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49757775.

The product of its (nonzero) digits is 334430208, while the sum is 69.

The spelling of 23878361640894 in words is "twenty-three trillion, eight hundred seventy-eight billion, three hundred sixty-one million, six hundred forty thousand, eight hundred ninety-four".