23873960819 has 4 divisors (see below), whose sum is σ = 23874400944. Its totient is φ = 23873520696.

The previous prime is 23873960797. The next prime is 23873960821. The reversal of 23873960819 is 91806937832.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23873960819 - 2⁸ = 23873960563 is a prime.

It is a super-2 number, since 2×23873960819² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23873960849) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125012 + ... + 251745.

It is an arithmetic number, because the mean of its divisors is an integer number (5968600236).

Almost surely, 2^23873960819 is an apocalyptic number.

23873960819 is a deficient number, since it is larger than the sum of its proper divisors (440125).

23873960819 is an equidigital number, since it uses as much as digits as its factorization.

23873960819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440124.

The product of its (nonzero) digits is 3919104, while the sum is 56.

The spelling of 23873960819 in words is "twenty-three billion, eight hundred seventy-three million, nine hundred sixty thousand, eight hundred nineteen".