23868353891 has 8 divisors (see below), whose sum is σ = 24907683840. Its totient is φ = 22829155272.

The previous prime is 23868353881. The next prime is 23868353911. The reversal of 23868353891 is 19835386832.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23868353891 - 2¹⁸ = 23868091747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23868353881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 590846 + ... + 629948.

It is an arithmetic number, because the mean of its divisors is an integer number (3113460480).

Almost surely, 2^23868353891 is an apocalyptic number.

23868353891 is a deficient number, since it is larger than the sum of its proper divisors (1039329949).

23868353891 is a wasteful number, since it uses less digits than its factorization.

23868353891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65665.

The product of its digits is 7464960, while the sum is 56.

The spelling of 23868353891 in words is "twenty-three billion, eight hundred sixty-eight million, three hundred fifty-three thousand, eight hundred ninety-one".