23821416839 has 16 divisors (see below), whose sum is σ = 27507600000. Its totient is φ = 20401405920.

The previous prime is 23821416833. The next prime is 23821416863. The reversal of 23821416839 is 93861412832.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23821416839 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23821416793 and 23821416802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23821416833) 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, 280964 + ... + 355785.

It is an arithmetic number, because the mean of its divisors is an integer number (1719225000).

Almost surely, 2^23821416839 is an apocalyptic number.

23821416839 is a deficient number, since it is larger than the sum of its proper divisors (3686183161).

23821416839 is a wasteful number, since it uses less digits than its factorization.

23821416839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636958.

The product of its digits is 497664, while the sum is 47.

The spelling of 23821416839 in words is "twenty-three billion, eight hundred twenty-one million, four hundred sixteen thousand, eight hundred thirty-nine".