23819801988885 has 16 divisors (see below), whose sum is σ = 43556209351296. Its totient is φ = 10889052337728.

The previous prime is 23819801988883. The next prime is 23819801988887. The reversal of 23819801988885 is 58888910891832.

It is an interprime number because it is at equal distance from previous prime (23819801988883) and next prime (23819801988887).

It is not a de Polignac number, because 23819801988885 - 2¹ = 23819801988883 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23819801988885.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23819801988883) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113427628414 + ... + 113427628623.

It is an arithmetic number, because the mean of its divisors is an integer number (2722263084456).

Almost surely, 2^{23819801988885} is an apocalyptic number.

It is an amenable number.

23819801988885 is a deficient number, since it is larger than the sum of its proper divisors (19736407362411).

23819801988885 is a wasteful number, since it uses less digits than its factorization.

23819801988885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226855257052.

The product of its (nonzero) digits is 637009920, while the sum is 78.

The spelling of 23819801988885 in words is "twenty-three trillion, eight hundred nineteen billion, eight hundred one million, nine hundred eighty-eight thousand, eight hundred eighty-five".