23833168489 has 4 divisors (see below), whose sum is σ = 25666489156. Its totient is φ = 21999847824.

The previous prime is 23833168487. The next prime is 23833168507. The reversal of 23833168489 is 98486133832.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1375148889 + 22458019600 = 37083^2 + 149860^2 .

It is a cyclic number.

It is not a de Polignac number, because 23833168489 - 2¹ = 23833168487 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23833168487) 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, 916660314 + ... + 916660339.

It is an arithmetic number, because the mean of its divisors is an integer number (6416622289).

Almost surely, 2^23833168489 is an apocalyptic number.

It is an amenable number.

23833168489 is a deficient number, since it is larger than the sum of its proper divisors (1833320667).

23833168489 is a wasteful number, since it uses less digits than its factorization.

23833168489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1833320666.

The product of its digits is 5971968, while the sum is 55.

The spelling of 23833168489 in words is "twenty-three billion, eight hundred thirty-three million, one hundred sixty-eight thousand, four hundred eighty-nine".