23449912372878 has 128 divisors (see below), whose sum is σ = 50610094080000. Its totient is φ = 7221135277440.

The previous prime is 23449912372829. The next prime is 23449912372889. The reversal of 23449912372878 is 87827321994432.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1288518423 + ... + 1288536621.

It is an arithmetic number, because the mean of its divisors is an integer number (395391360000).

Almost surely, 2^{23449912372878} is an apocalyptic number.

23449912372878 is an abundant number, since it is smaller than the sum of its proper divisors (27160181707122).

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

23449912372878 is a wasteful number, since it uses less digits than its factorization.

23449912372878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19870.

The product of its digits is 292626432, while the sum is 69.

The spelling of 23449912372878 in words is "twenty-three trillion, four hundred forty-nine billion, nine hundred twelve million, three hundred seventy-two thousand, eight hundred seventy-eight".