23802215679719 has 4 divisors (see below), whose sum is σ = 23802272663520. Its totient is φ = 23802158695920.

The previous prime is 23802215679667. The next prime is 23802215679733. The reversal of 23802215679719 is 91797651220832.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23802215679719 is a prime.

It is a super-2 number, since 2×23802215679719² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23802215679779) 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, 27860687 + ... + 28702304.

It is an arithmetic number, because the mean of its divisors is an integer number (5950568165880).

Almost surely, 2^{23802215679719} is an apocalyptic number.

23802215679719 is a deficient number, since it is larger than the sum of its proper divisors (56983801).

23802215679719 is an equidigital number, since it uses as much as digits as its factorization.

23802215679719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56983800.

The product of its (nonzero) digits is 22861440, while the sum is 62.

The spelling of 23802215679719 in words is "twenty-three trillion, eight hundred two billion, two hundred fifteen million, six hundred seventy-nine thousand, seven hundred nineteen".