23551853400689 has 32 divisors (see below), whose sum is σ = 25937866598400. Its totient is φ = 21292351441920.

The previous prime is 23551853400671. The next prime is 23551853400707. The reversal of 23551853400689 is 98600435815532.

It is an interprime number because it is at equal distance from previous prime (23551853400671) and next prime (23551853400707).

It is a cyclic number.

It is not a de Polignac number, because 23551853400689 - 2⁴⁴ = 5959667356273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23551853400619) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 873603992 + ... + 873630950.

It is an arithmetic number, because the mean of its divisors is an integer number (810558331200).

Almost surely, 2^{23551853400689} is an apocalyptic number.

It is an amenable number.

23551853400689 is a deficient number, since it is larger than the sum of its proper divisors (2386013197711).

23551853400689 is a wasteful number, since it uses less digits than its factorization.

23551853400689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44673.

The product of its (nonzero) digits is 31104000, while the sum is 59.

The spelling of 23551853400689 in words is "twenty-three trillion, five hundred fifty-one billion, eight hundred fifty-three million, four hundred thousand, six hundred eighty-nine".